Minnesota Original Public Land Survey Plat Maps, Digital Images, Geo-referenced

Minnesota's original public land survey plat maps were created between 1848 and 1907 during the first government land survey of the state by the U.S. Surveyor General's Office. This collection of more than 3,600 maps includes later General Land Office (GLO) and Bureau of Land Management maps up through 2001. Scanned images of the maps are available in several digital formats and most have been georeferenced.<br/><br/>The survey plat maps, and the accompanying survey field notes, serve as the fundamental legal records for real estate in Minnesota; all property titles and descriptions stem from them. They also are an essential resource for surveyors and provide a record of the state's physical geography prior to European settlement. Finally, they testify to many years of hard work by the surveying community, often under very challenging conditions.<br/><br/>The deteriorating physical condition of the older maps (drawn on paper, linen, and other similar materials) and the need to provide wider public access to the maps, made handling the original records increasingly impractical. To meet this challenge, the Office of the Secretary of State (SOS), the State Archives of the Minnesota Historical Society (MHS), the Minnesota Department of Transportation (MnDOT), MnGeo (formerly the Land Management Information Center - LMIC) and the Minnesota Association of County Surveyors collaborated in a digitization project which produced high quality (800 dpi), 24-bit color images of the maps in standard TIFF, JPEG and PDF formats - nearly 1.5 terabytes of data. Funding was provided by MnDOT.<br/><br/>In 2010-11, most of the JPEG plat map images were georeferenced. The intent was to locate the plat images to coincide with statewide geographic data without appreciably altering (warping) the image. This increases the value of the images in mapping software where they can be used as a background layer.

  • Static Preview - Sample ImageJPEG

  • Esri ArcGIS Server Map Serviceags_mapserver

  • GLO Historic Plat Map Retrieval SystemHTML

  • Bulk PDF Downloads by CountyHTML

  • Full Metadata RecordHTML

Additional Info

Field Value
Last Updated June 30, 2017, 10:02
Created October 14, 2014, 11:01
dsAccessConst None
dsCurrentRef Most of the original land survey maps are dated between 1848 and 1907. Some maps date as recently as 2001.
dsMetadataUrl ftp://ftp.gisdata.mn.gov/pub/gdrs/data/pub/us_mn_state_mngeo/plan_glo_plat_maps_georef/metadata/metadata.html
dsModifiedDate 2017-06-30 00:45:22
dsOriginator Minnesota Geospatial Information Office (MnGeo)
dsPurpose Minnesota's Public Land Survey maps were converted to digital imagery in order to protect the original maps from further deterioration and to provide greater public access to the maps.

Dataset extent

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