USA State Plane Zones NAD 1927

<p>U.S. State Plane Zones (NAD 1927) represents the State Plane Coordinate System (SPCS) zones for the North American Datum of 1927 in the United States. Several SPCS zones are not shown in this dataset, including Puerto Rico, the U.S. Virgin Islands, American Samoa, Guam, and Louisiana's offshore zone.&nbsp;<br />&nbsp;</p><p>Esri created this dataset from several sources in 1997: Extracted state boundaries from ArcUSA 1:25M. Created state plane boundaries based on a graphic in the article, "A National Reference System and its Relationship to Mapping" by Alden P. Colvocoresses at the U.S. Geological Survey (USGS), and John P. Snyder's "An Album of Map Projections: A Working Manual" (1987: USGS Professional Paper 1395. U.S. Government Printing Office: Washington, D.C.).</p><p>To download the data for this layer as a layer package for use in ArcGIS desktop applications, refer to <a target='_blank' href='https://www.arcgis.com/home/item.html?id=9e1a1714b2804858b49a4c19ab8a447c' rel='nofollow ugc noopener noreferrer'>USA State Plane Zones</a>.</p>