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The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage...
Search relevance: 1.00 | Views last month: 49 | Catalog Last Checked: September 10, 2026 at 09:17 PM -
A permit is required to install a retaining wall if the height of the wall measured from the bottom of the footing to the top of the wall is over 48 inches unless supporting a surcharge. A permit...
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The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography Dataset (NHD),...
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Structure Lines. Contract NCPC 93-02. This document describes the planimetric map production for the 350 tiles located in Washington DC and the surrounding states of MD and VA.
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Tape 1 segment 1 of dive number 113 in the Mexico leg of the Caribbean and Gulf of Mexico Mission in the Islands in the Stream Expedition which is part of the 5 year Sustainable Seas Expedition.
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The planimetric data was compiled by The Sanborn Map Company, Inc for the Metropolitan District and is based on an aerial flight performed in April 2015. In addition, the City's GIS staff has been...
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Tape 1 segment 1 of dive number 108 in the Belize leg of the Caribbean and Gulf of Mexico Mission in the Islands in the Stream Expedition which is part of the 5 year Sustainable Seas Expedition.
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Tape 1 segment 1 of the DeepWorker2000 dive number 47 in the Madison-Swanson Ridge leg of the West Florida Shelf Mission in the National Marine Sanctuaries 2000 field season which is part of the 5...
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 25, 2026 at 10:53 PM
