Atlas · Jurisdiction Intelligence Engine · U.S. State Record

Mississippi

This page renders the canonical Mississippi Atlas jurisdiction package. The canonical package positions Mississippi within the Lower Mississippi River Corridor under the canonical jurisdiction lens "Lower Mississippi transition continuity between Southeast interior foundation and Gulf interior completion" — a topology-constrained reading derived exclusively from the three atlas-controlled topology fields. Mississippi is the sole canonical member of both the Lower Mississippi River Corridor and the Gulf Interior Completion Layer, and its canonical Foundation Layer and Topology Completion Layer are distinct. Mississippi is an adjacency-bounded corridor-layer sufficient state — its evidence layer is retained from corridor continuity between adjacent Atlas states rather than from independent state-sourced research. All completeness statuses are recorded as corridor-layer sufficient.

Jurisdiction: Mississippi (MS · US-MS)
Jurisdiction lens: Lower Mississippi transition continuity between Southeast interior foundation and Gulf interior completion
Completeness: corridor-layer sufficient
Surface assignment: none
Adjacency-bounded package

1. Topology Metadata

Corridor Group
Lower Mississippi River Corridor
Foundation Layer
Southeast Interior Completion Layer
Completion Layer
Gulf Interior Completion Layer
Jurisdiction Lens
Lower Mississippi transition continuity between Southeast interior foundation and Gulf interior completion

Classification source. The metadata layer records that the Corridor Group, Foundation Layer, and Topology Completion Layer are derived from atlas-export/docs/atlas.md. The metadata layer records that the Jurisdiction Lens is a topology-constrained reading derived from those atlas-controlled fields only and does not override atlas-controlled topology.

Interpretation boundary. The metadata layer records that this file is structural topology metadata only. It does not assign routing authority, coordination tiers, Atlas surfaces, readiness, rank jurisdictions, modify evidence-layer interpretation, override evidence sufficiency boundaries, infer deployment suitability, or locally reclassify atlas-controlled corridor metadata.

Canonical dual-layer transition topology. The canonical atlas.md places Mississippi in the Lower Mississippi River Corridor, with a Southeast Interior Completion Layer foundation and a Gulf Interior Completion Layer completion. Mississippi's canonical Foundation Layer and Completion Layer are distinct — the Foundation Layer is shared with its Southeast Interior Completion Layer cluster siblings, while the Completion Layer is the Gulf Interior Completion Layer, a canonical layer whose only member is Mississippi. The canonical Jurisdiction Lens uses the grammar "transition continuity between X and Y" to reflect this dual-layer transition structure, distinct from the "within" grammar of topology-collapse states and the "transition into" grammar of terminal-edge transitions.

Metadata status: topology metadata attached · Surface assignment status: none
Source: metadata.md · atlas_converted.md (Corridor Group, Foundation Layer, Topology Completion Layer)

2. Scope Boundary Statement

The evidence layer records that this file records only corridor-relevant structural anchors retained for Mississippi from adjacent-state continuity already visible inside Atlas. The evidence layer records that it does not perform an open-ended statewide infrastructure survey and does not assign trust posture, routing role, coordination tier, readiness, or Atlas surfaces.

This rendering mirrors the canonical package. The canonical Mississippi package is an adjacency-bounded corridor-layer sufficient package: its evidence is retained from corridor continuity between adjacent Atlas states (Arkansas, Tennessee, Alabama, Louisiana) and atlas.md topology references, rather than from independent state-sourced research. All completeness statuses across evidence, signals, trust, profile, and builder-mode are canonically recorded as "corridor-layer sufficient".

Evidence completeness status: corridor-layer sufficient · Surface assignment status: none
Source: evidence.md — Scope; change-log.md — Scope constraints applied during population

3. Evidence Summary

The evidence layer records 5 evidence subsections documenting Mississippi's corridor-relevant structural anchors retained from adjacent-state continuity. Canonical sources are atlas-export internal topology references and adjacent-state package files (mixed metadata and evidence-layer citations) rather than state-sourced primary documents.

Lower Mississippi continuity

  • The evidence layer records that atlas-export/docs/atlas.md places Mississippi in the Lower Mississippi River Corridor, with a Southeast Interior Completion Layer foundation and a Gulf Interior Completion Layer completion.
  • The evidence layer records that Arkansas is retained in Atlas in the Mississippi Valley Transit & Distribution Corridor, preserving a north-facing Mississippi-valley transit frame.
  • The evidence layer records that Louisiana's retained evidence layer preserves lower-river continuity on the south-facing side through documented Mississippi River and inland-waterway connectivity.
  • The evidence layer records that the retained adjacent-state structure therefore supports reading Mississippi as a lower-Mississippi continuity jurisdiction between the Arkansas-facing valley-transit frame and the Louisiana-facing lower-river frame, without expanding into port, terminal, or tonnage treatment.
Canonical sources
  • atlas-export/docs/atlas.md
  • atlas-export/jurisdictions/us/states/arkansas/metadata.md
  • atlas-export/jurisdictions/us/states/louisiana/evidence.md

Southeast interior continuity

  • The evidence layer records that atlas-export/docs/atlas.md places Mississippi on the Southeast Interior Completion Layer foundation.
  • The evidence layer records that Tennessee is retained in Atlas in the Southeast Interior Structural Corridor with the same Southeast Interior Completion Layer foundation.
  • The evidence layer records that Alabama is retained in Atlas in the Southeast Interior Support Corridor with the same Southeast Interior Completion Layer foundation and completion placement.
  • The evidence layer records that the retained Atlas topology therefore supports reading Mississippi as part of the Southeast interior continuity frame between the Tennessee-facing structural corridor and the Alabama-facing interior support corridor.
Canonical sources
  • atlas-export/docs/atlas.md
  • atlas-export/jurisdictions/us/states/tennessee/metadata.md
  • atlas-export/jurisdictions/us/states/alabama/metadata.md

North-south transition continuity

  • The evidence layer records that Mississippi's retained Atlas placement resolves from the Southeast Interior Completion Layer foundation into the Gulf Interior Completion Layer.
  • The evidence layer records that Tennessee's retained placement resolves from the same Southeast Interior Completion Layer foundation into the Central Interior Completion Layer.
  • The evidence layer records that Louisiana's retained placement resolves into the Gulf Coast Completion Layer from the Gulf Corridor Layer.
  • The evidence layer records that the retained Atlas structure therefore supports a north-south transition reading across Mississippi between the Tennessee-facing interior frame and the Louisiana-facing Gulf-adjacent lower-river frame, without overriding atlas-controlled topology.
Canonical sources
  • atlas-export/docs/atlas.md
  • atlas-export/jurisdictions/us/states/tennessee/metadata.md
  • atlas-export/jurisdictions/us/states/louisiana/metadata.md

Inland continuity between Arkansas-facing and Alabama-facing structure

  • The evidence layer records that Arkansas's retained Atlas placement preserves a Mississippi-valley transit and distribution frame terminating into the Central Interior Completion Layer.
  • The evidence layer records that Alabama's retained Atlas placement preserves a Southeast interior support frame on the Southeast Interior Completion Layer.
  • The evidence layer records that Mississippi's retained Atlas placement sits between those adjacent structures as a lower-river corridor with Southeast-interior foundation and Gulf-interior completion.
  • The evidence layer records that the retained topology therefore supports an inland continuity reading across Mississippi between Arkansas-facing valley structure and Alabama-facing Southeast interior support structure.
Canonical sources
  • atlas-export/docs/atlas.md
  • atlas-export/jurisdictions/us/states/arkansas/metadata.md
  • atlas-export/jurisdictions/us/states/alabama/metadata.md

Corridor-visible freight and inland-waterway continuity

  • The evidence layer records that Arkansas's retained corridor group keeps transit and distribution continuity visible on the north-facing side of Mississippi.
  • The evidence layer records that Louisiana's retained evidence layer keeps Mississippi River and inland-waterway freight continuity visible on the south-facing side of Mississippi.
  • The evidence layer records that, taken together with Mississippi's Lower Mississippi River Corridor placement, the retained adjacent-state structure supports a narrow freight/logistics and inland-waterway continuity anchor for Mississippi at the corridor layer.
  • The evidence layer records that under the current corridor-scope restriction, this anchor is retained only as corridor continuity and is not expanded into statewide freight surveys, port inventories, terminal inventories, rail inventories, or tonnage datasets.
Canonical sources
  • atlas-export/docs/atlas.md
  • atlas-export/jurisdictions/us/states/arkansas/metadata.md
  • atlas-export/jurisdictions/us/states/louisiana/evidence.md
Evidence completeness status: corridor-layer sufficient · Surface assignment status: none
Source: evidence.md — 5 evidence subsections with canonical atlas-export path citations (mixed-depth adjacency references including Louisiana's evidence.md and metadata.md)

4. Signals Summary

Derivation constraint. The signals layer records that signals derive strictly from evidence.md.

The signals layer records 5 structural coordination signals directly detectable from the evidence layer.

Lower Mississippi continuity signal

The signals layer records that Mississippi shows a lower-Mississippi-continuity signal through retained placement between the Arkansas-facing Mississippi-valley transit frame and the Louisiana-facing lower-river frame.

Southeast interior continuity signal

The signals layer records that Mississippi shows a Southeast-interior-continuity signal through retained placement on the shared Southeast Interior Completion Layer foundation visible with Tennessee and Alabama.

North-south transition signal

The signals layer records that Mississippi shows a north-south-transition signal through retained placement resolving from a Southeast-interior foundation into a Gulf-interior completion between Tennessee-facing interior structure and Louisiana-facing Gulf-adjacent lower-river structure.

Inland Arkansas-to-Alabama continuity signal

The signals layer records that Mississippi shows an inland-Arkansas-to-Alabama-continuity signal through retained placement between Arkansas-facing valley structure and Alabama-facing Southeast interior support structure.

Corridor-visible freight and inland-waterway signal

The signals layer records that Mississippi shows a narrow freight-and-inland-waterway signal through retained transit-and-distribution visibility on the Arkansas-facing side and retained lower-river and inland-waterway continuity on the Louisiana-facing side.

Canonical signal-layer non-establishment

The signals layer records that the current signal set also does not independently establish rail visibility, energy-grid participation visibility, BEAD coordination visibility, or research participation beyond interior adjacency.

Signal completeness status: corridor-layer sufficient · Surface assignment status: none
Source: signals.md — 5 signal clusters

5. Trust Dimensions Summary

Derivation constraint. The trust-dimensions layer records that dimensions derive strictly from signals.md.

The trust-dimensions layer records that trust evaluates what kinds of stability conditions Mississippi can sustain given the signal layer and the visible corridor-continuity environment.

Trust interpretation summary

The trust-dimensions layer records that Mississippi currently presents a trust profile characterized by:

  • narrow but durable corridor coordination density across lower Mississippi continuity, Southeast interior continuity, north-south transition continuity, and inland Arkansas-to-Alabama continuity
  • durable lower-river and interior transition continuity with narrow freight and inland-waterway visibility
  • visible adjacent-state institutional adjacency across the Arkansas, Tennessee, Alabama, and Louisiana-facing corridor frame
  • narrow industrial persistence visibility through lower-Mississippi freight continuity rather than statewide industrial survey evidence
  • research participation not independently established beyond Southeast interior adjacency

Coordination density

Current interpretation

Narrow but durable corridor coordination density.

Supporting basis
  • lower Mississippi continuity signal
  • Southeast interior continuity signal
  • north-south transition signal
  • inland Arkansas-to-Alabama continuity signal
Constraint basis
  • the current signal layer does not provide a routing-authority model
  • the current package does not support coordination-tier assignment
  • the current package does not independently establish rail visibility, energy-grid participation visibility, BEAD coordination visibility, or statewide freight-survey treatment
Atlas reading

Mississippi shows corridor-relevant coordination density as a lower-Mississippi transition environment linking the Arkansas-facing valley frame, the Tennessee-facing interior frame, the Alabama-facing support frame, and the Louisiana-facing lower-river frame.

Infrastructure continuity

Current interpretation

Durable lower-river and interior transition continuity with narrow freight and inland-waterway visibility.

Supporting basis
  • lower Mississippi continuity signal
  • north-south transition signal
  • inland Arkansas-to-Alabama continuity signal
  • corridor-visible freight and inland-waterway signal
Constraint basis
  • the current package does not independently establish rail visibility
  • the current package does not independently establish energy-grid participation visibility or BEAD coordination visibility
  • the current package does not expand into statewide infrastructure surveys, port inventories, terminal inventories, or tonnage datasets
Atlas reading

Mississippi shows durable corridor continuity where lower-river structure and Southeast-interior structure meet inside a Gulf-interior completion frame, with freight and inland-waterway continuity retained only at the corridor layer.

Institutional adjacency

Current interpretation

Visible multi-adjacent corridor institutional adjacency.

Supporting basis
  • Southeast interior continuity signal
  • north-south transition signal
  • inland Arkansas-to-Alabama continuity signal
  • lower Mississippi continuity signal
Constraint basis
  • the current package intentionally avoids university-system mapping, research-network inventory treatment, and broader institutional ranking treatment
  • the current trust reading does not compare Mississippi institutions by depth, scale, or hierarchy
Atlas reading

Mississippi shows institutional adjacency through its retained corridor position between Arkansas-facing valley structure, Tennessee-facing interior structure, Alabama-facing interior support structure, and Louisiana-facing lower-river structure.

Industrial persistence

Current interpretation

Narrowly visible through lower-river and freight continuity, but not independently established beyond corridor continuity.

Supporting basis
  • lower Mississippi continuity signal
  • corridor-visible freight and inland-waterway signal
  • north-south transition signal
Constraint basis
  • the current package intentionally excludes statewide freight surveys, port inventories, terminal inventories, tonnage datasets, and broader industrial survey treatment
  • the current trust reading does not support industrial ranking or manufacturing-depth claims for Mississippi from the retained corridor evidence alone
Atlas reading

Mississippi may sit inside a corridor with visible lower-river freight continuity, but this package does not independently establish Mississippi industrial persistence beyond the retained corridor anchors.

Research participation

Current interpretation

Not independently established beyond Southeast interior adjacency.

Supporting basis
  • Southeast interior continuity signal
  • inland Arkansas-to-Alabama continuity signal
Constraint basis
  • the current package does not retain a corridor-visible research anchor for Mississippi
  • the current package intentionally avoids university-system mapping and research-network inventory treatment
  • the current trust reading does not support a research-hierarchy claim for Mississippi from the retained corridor evidence alone
Atlas reading

Mississippi sits inside a visible Southeast interior frame, but the current retained evidence does not independently establish research participation beyond that adjacency position.

Trust-dimension completeness status: corridor-layer sufficient · Surface assignment status: none
Source: trust-dimensions.md — Trust interpretation summary + 5 dimension fields (4-field pattern: current / supporting / constraint / Atlas reading)

6. Profile Summary

Derivation constraint. The profile layer records that profile content derives strictly from evidence.md, signals.md, and trust-dimensions.md. The profile layer records that profile is the characterization layer of the package.

Jurisdiction summary

The profile layer records that Mississippi currently reads within Atlas as a lower-Mississippi transition environment organized around lower Mississippi continuity, Southeast interior continuity, north-south transition continuity, inland Arkansas-to-Alabama continuity, and narrow corridor-visible freight and inland-waterway continuity.

Profile synthesis

The profile layer records that the current package shows:

  • lower Mississippi continuity anchored in retained placement between the Arkansas-facing Mississippi-valley transit frame and the Louisiana-facing lower-river frame
  • Southeast interior continuity anchored in retained placement on the shared Southeast Interior Completion Layer foundation visible with Tennessee and Alabama
  • north-south transition continuity anchored in retained placement resolving from a Southeast-interior foundation into a Gulf-interior completion between Tennessee-facing interior structure and Louisiana-facing Gulf-adjacent lower-river structure
  • inland Arkansas-to-Alabama continuity anchored in retained placement between Arkansas-facing valley structure and Alabama-facing Southeast interior support structure
  • narrow corridor-visible freight and inland-waterway continuity anchored in Arkansas-facing transit visibility and Louisiana-facing lower-river continuity
  • no independent retained basis for rail visibility, energy-grid participation visibility, BEAD coordination visibility, digital-asset statutory posture, or research participation beyond interior adjacency under the current corridor-bounded scope

The profile layer records that, taken together, these conditions support a structural characterization of Mississippi as a lower-Mississippi transition continuity corridor linking interior Southeast structure to Gulf-interior completion.

Profile synthesis statement

The profile layer records that Mississippi currently reads within Atlas as a lower-Mississippi transition continuity corridor joining lower-river continuity to Southeast interior continuity across the Arkansas, Tennessee, Alabama, and Louisiana-facing corridor frame.

Profile completeness status: corridor-layer sufficient · Surface assignment status: none
Source: profile.md — Jurisdiction summary + Profile synthesis + Profile synthesis statement

7. Builder Mode Summary

Derivation constraint. The builder-mode layer records that builder-mode content derives strictly from normalized jurisdiction layers. The builder-mode layer records that this file provides structural interpretation only, and does not rank Mississippi, compare Mississippi to other jurisdictions, or prescribe deployment eligibility.

Builder mode role summary

The builder-mode layer records that Mississippi is best understood for builder purposes as:

  • a lower Mississippi continuity environment
  • a Southeast interior continuity environment
  • a north-south transition environment between Tennessee-facing interior structure and Louisiana-facing Gulf-adjacent lower-river structure
  • an inland continuity environment between Arkansas-facing valley structure and Alabama-facing Southeast interior support structure
  • a narrow freight and inland-waterway continuity environment at the corridor layer

Lower Mississippi interpretation

The builder-mode layer records that for builder interpretation, Mississippi reads as a lower-Mississippi continuity environment where retained placement keeps the Arkansas-facing valley frame connected to the Louisiana-facing lower-river frame without expanding into port, terminal, or tonnage inventory treatment.

Southeast interior interpretation

The builder-mode layer records that for builder interpretation, Mississippi reads as a Southeast interior continuity environment where retained placement shares foundation continuity with Tennessee and Alabama without overriding atlas-controlled topology.

Transition interpretation

The builder-mode layer records that for builder interpretation, Mississippi reads as a north-south transition environment where retained structure carries Southeast-interior continuity into Gulf-interior completion between the Tennessee-facing interior frame and the Louisiana-facing lower-river Gulf-adjacent frame.

Inland adjacency interpretation

The builder-mode layer records that for builder interpretation, Mississippi reads as an inland continuity environment where retained structure preserves corridor continuity between Arkansas-facing valley structure and Alabama-facing Southeast interior support structure.

Constraint interpretation

The builder-mode layer records that for builder interpretation, Mississippi should be read narrowly. The current package does not independently establish rail visibility, energy-grid participation visibility, BEAD coordination visibility, digital-asset statutory posture, or any deployment or routing posture.

Builder-mode completeness status: corridor-layer sufficient · Surface assignment status: none
Source: builder-mode.md — Role summary + 5 interpretation subsections (including canonical Constraint interpretation)

8. Structural Exclusions

The canonical package records structural exclusions across the evidence, signals, trust-dimensions, profile, builder-mode, and change-log layers. The canonical Mississippi structural exclusions set uses the shortened canonical formulation — focused on survey/inventory/mapping-type exclusions — and is preserved verbatim from each canonical layer.

Evidence-layer structural exclusions

The evidence layer records that based on the retained corridor-visible evidence collected there, this file does not support characterizing Mississippi as any of the following:

  • a routing-authority jurisdiction
  • a coordination-tier jurisdiction
  • a deployment-readiness jurisdiction
  • a surface-assigned jurisdiction
  • a statewide infrastructure-survey case
  • a statewide freight-survey case
  • a port-inventory or terminal-inventory case
  • a municipal-inventory case
  • a university-system mapping case
  • a research-network inventory case
  • an engineering-sector survey case
  • an AI compute corridor
  • a hyperscale designation
  • a jurisdiction-ranking case
  • a digital-asset statutory jurisdiction

Signals-layer structural exclusions

The signals layer records that based on the currently derived signals, this file does not support characterizing Mississippi as any of the following: a routing-authority jurisdiction, a coordination-tier jurisdiction, a deployment-readiness jurisdiction, a surface-eligibility determination, a jurisdiction-ranking claim, an AI compute corridor, a hyperscale designation, a statewide infrastructure-survey case, a statewide freight-survey case, a port-inventory or terminal-inventory case, or a digital-asset statutory jurisdiction. The signals layer records that the current signal set also does not independently establish rail visibility, energy-grid participation visibility, BEAD coordination visibility, or research participation beyond interior adjacency.

Trust-dimensions structural exclusions

The trust-dimensions layer records that this file does not support interpreting Mississippi as any of the following: a routing-authority jurisdiction, a coordination-tier jurisdiction, a deployment-readiness jurisdiction, an Atlas surface-eligibility determination, a jurisdiction-ranking case, an AI compute corridor, a hyperscale designation, or a digital-asset statutory jurisdiction. The trust-dimensions layer records that it should be read as trust interpretation of Mississippi's current structural posture within the normalized Atlas package only.

Profile-layer structural exclusions

The profile layer records that Mississippi's profile should not be read as: a routing-authority assignment, a coordination-tier assignment, a deployment-readiness classification, an Atlas surface-eligibility determination, a jurisdiction ranking claim, an AI compute corridor claim, a hyperscale designation, a digital-asset statutory jurisdiction claim, or a topology reassignment of atlas-controlled metadata.

Builder-mode structural exclusions

The builder-mode layer records that this file does not support interpreting Mississippi as any of the following: a routing-authority jurisdiction, a coordination-tier jurisdiction, a deployment-readiness jurisdiction, an Atlas surface-eligibility determination, a jurisdiction-ranking case, an AI compute corridor, a hyperscale designation, or a digital-asset statutory jurisdiction. The builder-mode layer records that it should be read as builder-facing interpretation of Mississippi's current structural posture within the normalized Atlas package only.

Change-log structural exclusions

The change-log records explicit structural exclusions: this package population does not authorize Atlas surface assignment, routing-role assignment, coordination-tier assignment, deployment-readiness assignment, jurisdiction ranking, AI compute-corridor designation, hyperscale designation, digital-asset statutory designation, or local reassignment of atlas-controlled Mississippi topology metadata.

Source: evidence.md, signals.md, trust-dimensions.md, profile.md, builder-mode.md, change-log.md — Structural exclusions (canonical shortened exclusions set)

9. Evidence Gaps

The canonical Mississippi evidence layer contains a native "Evidence gaps" subsection.

Evidence gaps from the evidence layer

The evidence layer records

The current adjacency-bounded Atlas structure does not independently establish the following Mississippi anchors for retention in this package:

  • rail visibility
  • energy-grid participation visibility
  • BEAD coordination visibility
  • digital-asset statutory posture
  • independent institutional or research participation anchors beyond interior adjacency

Scope constraints applied during population

The change-log records the following scope constraints applied during evidence-first package population:
  • adjacent-state corridor continuity only
  • no open infrastructure research
  • corridor-layer anchors only
  • no statewide infrastructure survey or statewide freight survey
  • no municipal inventories, university-system mapping, research-network inventory, or engineering-sector survey
  • no port inventories, terminal inventories, rail inventories, or tonnage datasets
  • no energy-grid, BEAD, or digital-asset statutory inference without retained corridor visibility
  • no routing-authority, coordination-tier, readiness, ranking, or surface assignment inference
  • no local override of atlas-controlled topology metadata

The change-log records the current status: topology metadata synced to atlas-export/docs/atlas.md, evidence layer populated to corridor sufficiency, corridor-scope constraints applied throughout package construction, downstream layers derived strictly from corridor-limited evidence, surface assignment remains none.

Source: evidence.md — Evidence gaps; change-log.md — 2026-04-18 evidence-first package population (Scope constraints applied)

10. Change-Log Notes & Normalization Notes

Topology metadata sync

The change-log records that metadata.md was reviewed against atlas-export/docs/atlas.md, with updated fields for Corridor Group, Foundation Layer, Topology Completion Layer, and Jurisdiction lens. The change-log records that this sync is structural only and does not alter evidence, signals, trust interpretation, profile, builder-mode, or surface neutrality.

2026-04-18 evidence-first package population

The change-log records that the Mississippi state package was populated in topology-normalized order as a numbered canonical sequence: evidence.md, signals.md, trust-dimensions.md, metadata.md, profile.md, builder-mode.md, change-log.md. The change-log records that scope constraints were applied during population (rendered in Section 9 above). The change-log records the current status: topology metadata synced to atlas-export/docs/atlas.md, evidence layer populated to corridor sufficiency, corridor-scope constraints applied throughout package construction, downstream layers derived strictly from corridor-limited evidence, and surface assignment remains none.

Structural exclusions

The change-log records explicit structural exclusions: this package population does not authorize Atlas surface assignment, routing-role assignment, coordination-tier assignment, deployment-readiness assignment, jurisdiction ranking, AI compute-corridor designation, hyperscale designation, digital-asset statutory designation, or local reassignment of atlas-controlled Mississippi topology metadata.

Normalization status: corridor-layer sufficient · Surface assignment status: none
Source: change-log.md