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State
Urban Areas 2020
State of Maryland —
For the 2020 Census, an urban area will comprise a densely developed core of census blocks that meet minimum housing unit density requirements, along with adjacent... -
State
Census Block Groups 2020
State of Maryland —
Block Groups (BGs) are defined before tabulation block delineation and numbering, but are clusters of blocks within the same census tract that have the same first... -
State
Maryland Precincts 2022
State of Maryland —
Precinct (voting district) polygon boundaries for 2022 collected by the Maryland Department of Planning (Planning) from counties (including Baltimore City) or... -
State
Sea Scallop Relative Abundance
State of Maryland —
This table contains an attribute indicating sea scallop abundance for OCS blocks. It can be joined to an OCS block feature class to show the conservation priority... -
State
Chesapeake Bay Dead Zones
State of Maryland —
This dataset contains areas in the Chesapeake Bay with low amounts of oxygen. Excessive nitrogen and phosphorus pollution from human activities cause "dead zones"—or... -
State
Chesapeake Bay Dead Zones
State of Maryland —
This dataset contains areas in the Chesapeake Bay with low amounts of oxygen. Excessive nitrogen and phosphorus pollution from human activities cause "dead zones"—or... -
State
Sea Scallop Relative Abundance
State of Maryland —
This table contains an attribute indicating sea scallop abundance for OCS blocks. It can be joined to an OCS block feature class to show the conservation priority... -
State
Broadband Availability
State of Maryland —
Polygon layer represents the number of broadband providers per census block. -
State
Maryland Precincts 2022
State of Maryland —
Precinct (voting district) polygon boundaries for 2022 collected by the Maryland Department of Planning (Planning) from counties (including Baltimore City) or... -
State
Maryland_Adams_Radar_Geographic_Area_of_Concern
State of Maryland —
Radar viewshed for the Advanced Dynamic Aircraft Measurement Systems (ADAMS) radar at Naval Air Station Patuxent River.Radars locate an object’s position by emitting... -
State
Waterbird Habitat and Density
State of Maryland —
This data layer contains waterbird density blocks extracted from the Minerals Management Service's Mid-Atlantic Waterbird Data Beta Version 1.0. This application is... -
State
SWGIHubCorShp
State of Maryland —
Maryland's green infrastructure is a network of undeveloped lands that provide the bulk of the state's natural support system. These data map hub and corridor... -
State
MD Amphibian and Reptile Atlas Grid
State of Maryland —
This shapefile contains the outline of each Breeding Bird Atlas block for the entire state. A "block" is the basic unit of data collection for the Maryland/DC... -
State
Outer Continential Shelf Blocks
State of Maryland —
This data set contains OCS block outlines in ESRI Arc/Info export and Arc/View shape file formats for the MMS Atlantic Region. OCS blocks are used to define small... -
State
MD Amphibian and Reptile Atlas Grid
State of Maryland —
This shapefile contains the outline of each Breeding Bird Atlas block for the entire state. A "block" is the basic unit of data collection for the Maryland/DC... -
State
Bottom Classification 2011 CZM Block 1
State of Maryland —
QuesterTangent’s SWATHVIEW seabed classification software was used to post-process the 410 kHz side scan sonar signal. This software analyzes the side scan sonar... -
State
Waterbird Habitat and Density
State of Maryland —
This data layer contains waterbird density blocks extracted from the Minerals Management Service's Mid-Atlantic Waterbird Data Beta Version 1.0. This application is... -
State
Bottom Classification 2012 CZM Block 2
State of Maryland —
QuesterTangent’s SWATHVIEW seabed classification software to post-process the 410 kHz side scan sonar signal. This software analyzes the side scan sonar backscatter... -
State
Census Block - Download
State of Maryland —
This layer contains the average download speed (mbps) per census block. -
State
Targeted Ecological Areas
State of Maryland —
Targeted Ecological Areas (TEAs) are lands and watersheds of high ecological value that have been identified as conservation priorities by the Maryland Department of...