This group contains 100m grids for various metropolitan area in the U.S. and Puerto Rico.
USNG is standard that established a nationally consistent grid reference system. It provides a seamless plane coordinate system across jurisdictional boundaries and map scales; it enables precise position referencing with GPS, web map portals, and hardcopy maps. USNG enables a practical system of geoaddresses and a universal map index. This data resides in the GCS 1983 coordinate system and is most suitable for viewing over North America.
National Geospatial-Intelligence Agency (NGA); Delta State University; Esri
Spatial Reference: 4269
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