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Sea Ports in the Maryland transit source collection

Explore 810 source records for Sea Ports in the Maryland transit source collection. View the map or download the GeoJSON snapshot.

State of Maryland; MD iMAP, MTA Prepared by Draw on a Map on 2026-10-09. Source fields retained; a name field is added where available. Geometry is not simplified.

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The table shows up to eight fields. The download keeps all fields and the original geometry.

About this dataset

  • Snapshot prepared on 2026-10-09. This is not a live service. The source update date can be earlier.
  • All 810 records returned by the selected layer are retained. Count and object IDs were checked before download. The selected layer is not a complete inventory of all places in the region.
  • Source coordinates are transformed by the service to WGS84; altitude and measure values are omitted. Geometry is not simplified. Source fields are retained; a display name is added where a source name is available.
  • Original source metadata and reuse evidence: https://drawonamap.com/library/sources/government-2026-10/sea-ports-in-the-maryland-transit-source-collection-dffc215c.json
  • Preserve the original source metadata entry without changes.
  • Acknowledge the State of Maryland in derived-data metadata.
  • Distribute the unchanged original source XML metadata with the derived data.

Source and licence

MD iMAP

Licence: Maryland data redistribution terms

GeoJSON download details

The download includes all 810 features as points. Coordinates use longitude and latitude in WGS84.

The preparation date is when we prepared this dataset. Read the source notes for the dates covered by the data.

GeoJSON fields 43
OBJECTID
GIS Object ID. Source field from MD iMAP.
ID
ID. Source field from MD iMAP.
NAV_UNIT_I
Facility ID. Source field from MD iMAP.
UNLOCODE
United Nations Location Code. Source field from MD iMAP.
NAV_UNIT_N
Name of Facility. Source field from MD iMAP.
LOCATION_D
Location Description. Source field from MD iMAP.
FACILITY_T
Facility Type. Source field from MD iMAP.
STREET_ADD
Street Address. Source field from MD iMAP.
CITY_OR_TO
City or Town. Source field from MD iMAP.
STATE_POST
State Postal Abbreviation. Source field from MD iMAP.
ZIPCODE
ZIP Code. Source field from MD iMAP.
COUNTY_NAM
County Name. Source field from MD iMAP.
CONGRESS
Congress Number. Source field from MD iMAP.
CONGRESS_F
Congressional District FIPS Code. Source field from MD iMAP.
WTWY_NAME
Waterway Name. Source field from MD iMAP.
PORT_NAME
Port Name. Source field from MD iMAP.
MILE
Waterway Mile of Wharf Location. Source field from MD iMAP.
LATITUDE1
Latitude. Source field from MD iMAP.
LONGITUDE1
Longitude. Source field from MD iMAP.
OPERATORS
Current Operators. Source field from MD iMAP.
OWNERS
Current Owners. Source field from MD iMAP.
HIGHWAY_NO
Surface Road Connections. Source field from MD iMAP.
RAILWAY_NO
Railway Connections. Source field from MD iMAP.
DOCK
Dock Code. Source field from MD iMAP.
COMMODITIE
Commodities Handled. Source field from MD iMAP.
CONSTRUCTI
Construction Type. Source field from MD iMAP.
MECHANICAL
Equipment Available. Source field from MD iMAP.
REMARKS
Remarks and Description. Source field from MD iMAP.
VERTICAL_D
Depth Height Datum Used. Source field from MD iMAP.
DEPTH_MIN
Minimum Depth. Source field from MD iMAP.
DEPTH_MAX
Maximum Depth. Source field from MD iMAP.
BERTHING_L
Largest Berth. Source field from MD iMAP.
BERTHING_T
Total Berthing Space. Source field from MD iMAP.
DECK_HEIGH
Minimum Deck Height. Source field from MD iMAP.
DECK_HEIG1
Maximum Deck Height. Source field from MD iMAP.
SERVICE_IN
Date Facility Started Service. Source field from MD iMAP.
SERVICE_TE
Date Facility Stopped Service. Source field from MD iMAP.
STFIPS
State FIPS Code. Source field from MD iMAP.
CTFIPS
County FIPS Code. Source field from MD iMAP.
BANK
Bank of River Location. Source field from MD iMAP.
LOCATION
Location Code. Source field from MD iMAP.
PURPOSE
Purpose of Wharf. Source field from MD iMAP.
name
Display name copied from the source name field.