Our general recommendation to WIP local teams is to plan at the County / Major-Basin scale when working with the Maryland Assessment and Scenario Tool (MAST) provided by the State. A shapefile is a geospatial data format for use in geographic information system (GIS) software. Essentially, this only displayed the polylines with an F_CODE of 4 (meaning it's a river or stream) and only those polylines that have the STATE attribute of VA, MD or MD-VA. View Larger Map Download Shapefile. Click here for zip file containing GIS shapefiles that delineate the following: Federal Boundary ShapefilesThese files delineate various applicable federal shapefiles for Maryland. Streams, Rivers and Waterway GIS Shapefiles Based on USGS Data. If you are working at a scale of Maryland 8-digit watershed, use these images and spreadsheet to map to a CAST modeling segment. Information About The Data Sets & Additional Resources. These watersheds are identified via an 8-digit numeric code. To navigate the map, use your arrow to drag and pan. Clicking on "Basemap" allows the user to change the background (e.g. Montgomery County Government makes standard GIS datasets publicly available at no cost. The 8-digit scale is the most common management scale for watersheds across the state and therefore is the scale at which most of Maryland’s … 100 Community Place, Crownsville, MD 21032 Toll Free: 877.634.6361 The delineation breaks the state up into 1,100+ watersheds. The primary purpose of this dataset is to provide a common, conformant streams coverage for NWS products and processes, including IHABBS and usages as map backgrounds for river forecasts for a variety of National Weather Service applications. Watersheds in this map relate to TMDLs and WLAs in the applicable queries via an 8-digit watershed name identified in the location description. Toggle facets Limit your search Institution. Last updated: August 28, 2017. National Wild and Scenic River Segments . This polygon shapefile shows the rivers and tributaries of the Upper Ganga Watershed in India for 2012. The delineation breaks the state up into 138 watersheds whose boundaries generally represent drainage divides between 3rd order rivers or streams. Data for NRHP sites was provided by the office of the Chief Archeologist/GIS Coordinator, Maryland Historical Trust, Maryland Department of Planning. Experience More These shapefiles include Relative Effectiveness and Federal Lands. This shapefile is a subset of the rivers shapefile containing only major rivers. In Louisiana, these divisions are known as parishes. Data Format: ESRI shapefile. Rivers & tributaries data is compiled f... ML InfoMap (Firm). Format: Shapefile - 2007 to Present; TIGER/Line ASCII format - 2006 and earlier; Census 2000 available in both formats; The core TIGER/Line Files and Shapefiles do not include demographic data, but they do contain geographic entity codes (GEOIDs) that can be linked to the Census Bureau’s demographic data, available on data.census.gov. For KML versions of these files, please see our Cartographic Boundary Files - KML page. These files are periodically updated so it is important to check the website. Data downloads. The segmentation is designed so that each land-river segment drains to only one of the 92 tidal water segments. GIS Data Catalog. Shapefile extracted from the WISE Large rivers and large lakes F1v1 geodatabase. Call toll-free in *Maryland* at 1-877-620-8DNR (8367) Out of State: 410-260-8DNR (8367) Montgomery County GIS Data. Tolerances: Fuzzy = 0.900, Dangle = 0.000. 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