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Found 4352 dataset(s) matching "Polygon".
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These geospatial files are the essential components for the Geologic Map of the Stibnite Mining Area in Valley County, Idaho, which was published by the Idaho Geological Survey in 2022. Three main...
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The Chesapeake Bay Hyper-Resolution Hydrography Database is intended to facilitate analysis of the landscape in the Chesapeake Bay watershed through identification of headwater and other low-order...
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A total of 77 soil cores were collected from a restored reach of Underwood Creek floodplain (Wauwatosa, WI) during July and August 2019 to assess the distribution of sediments at the floodplain...
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This data, grsg_lcp_ThiessenPoly_mst3, is one of five hierarchical delineations of greater sage-grouse population structure. The data represent Thiessen polygons of graph constructs (least-cost...
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<div style='text-align:Left;'><div><div><p><span>1990 Voting Precincts. The dataset contains polygons representing boundaries of District of Columbia voting precincts, established in 1992 (based...
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This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. Polygon delineation of Maryland oyster harvest reserves created by MDNR - Fisheries Service. COMAR...
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The purpose of this dataset is to indicate a central location within (when a single feature) or among all the polygons (when a multi-part feature) that constitute that complete cultural feature...
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The Marshall aquifer underlies much of the Lower Peninsula of Michigan and has a maximum thickness of 493 feet (Lampe, 2009). The aquifer consists mainly of medium-grained sandstone and is...
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The Pseudo Lots dataset contains polygons of locations that have an address and/or a structure with a building identification number (BIN), but for which there is no tax lot. Pseudo lots may exist...
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This is Census 2020 block data specifically formatted for use by the Environmental Protection Agency (EPA) in-development Environmental Justice Analysis Multisite (EJAM) tool, which uses R code to...
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<div style='text-align:left;'><p><font size='3'>The layers within this feature service represent the spatial extent of the BLM National Conservation Lands (NCL) National Monuments, National...
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Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National representation of HU...