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MD iMAP: Maryland Submerged Aquatic Vegetation - SAV 2014
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. The 2014 Chesapeake Bay SAV Coverage was mapped from 1:24 - 000 black and white aerial... -
Mosquito and Pathogen Relationships for Network Analysis
This data contains the data file of mosquito-pathogen relationships and literature-based evidence for wild infection, lab infection, lab dissemination, lab transmission, or... -
MD iMAP: Maryland Archived Submerged Aquatic Vegetation 1998
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The Chesapeake Bay SAV was mapped from 1:24 - 000 black and white aerial photography to... -
PHMSA HazMat Regions
The Pipeline and Hazardous Materials Safety Administration (PHMSA) HazMat Regions dataset was compiled on October 04, 2022 from the Pipeline and Hazardous Materials Safety... -
MD iMAP: Maryland Sport Venues - Curling
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Sports (http://www.marylandsports.us/) has identified sport venues located... -
MD iMAP: Maryland Recreational Uses - Horseback Riding
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. These baseline recreational use data will inform planning efforts being undertaken by... -
MD iMAP: Maryland Local Businesses - Breweries
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland has over 49 breweries located throughout the entire State. For more... -
MD iMAP: Maryland Long Term Care Assisted Living - Assisted Living
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. OP&R organizes and prepares for public health and medical emergencies through... -
MD iMAP: Maryland Archived Submerged Aquatic Vegetation 1986
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The Chesapeake Bay SAV was mapped from 1:24 - 000 black and white aerial photography to... -
MD iMAP: Maryland Sport Venues - Racquetball
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Sports (http://www.marylandsports.us/) has identified sport venues located... -
MD iMAP: Maryland Sport Venues - Table Sports
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Sports (http://www.marylandsports.us/) has identified sport venues located... -
North American Rail Network Lines
The North American Rail Network (NARN) Rail Lines dataset was created in 2016 and was updated on July 18, 2025 from the Federal Railroad Administration (FRA) and is part of the... -
National Bridge Inventory
The National Bridge Inventory dataset is as of June 20, 2025 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of Transportation (USDOT)/Bureau... -
MD iMAP: Maryland Recreational Uses - Non Motorized Vessel Use
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. These baseline recreational use data will inform planning efforts being undertaken by... -
Nonattainment Area - Particulate Matter - 2.5 Annual (1997 Standard)
The Nonattainment Area - Particulate Matter-2.5 Annual (1997) dataset was updated on June 30, 2025 by the Environmental Protection Agency (EPA) and is part of the U.S.... -
National Highway Freight Network (NHFN)
The National Highway Freight Network (NHFN) dataset was compiled on January 27, 2023 from the Federal Highway Administration (FHWA) and is part of the U.S. Department of... -
Congressional Districts
The 119th Congressional Districts dataset reflects boundaries from January 3rd, 2025 from the United States Census Bureau (USCB), and the attributes are updated every Sunday... -
MD iMAP: Maryland Fire - County Fire Stations
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This dataset contains Career and Volunteer Fire Stations in Maryland that are operated... -
MD iMAP: Maryland Focal Areas - Targeted Ecological Areas
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. Targeted Ecological Areas (TEAs) are lands and watersheds of high ecological value that have... -
MD iMAP: Maryland Sport Venues - Dodge Ball
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Sports (http://www.marylandsports.us/) has identified sport venues located...