Description

The Unpublished Digital Surficial Geologic-GIS Map of Bent's Old Fort National Historic Site and Vicinity, Colorado is composed of GIS data layers and GIS tables in a 10.1 file geodatabase (bofs_surficial.gdb), a 10.1 ArcMap (.mxd) map document (bofs_surficial.mxd), individual 10.1 layer (.lyr) files for each GIS data layer, an ancillary map information document (beol_geology.pdf) which contains source map unit descriptions, as well as other source map text, figures and tables, metadata in FGDC text (.txt) and FAQ (.pdf) formats, and a GIS readme file (beol_geology_gis_readme.pdf). Please read the beol_geology_gis_readme.pdf for information pertaining to the proper extraction of the file geodatabase and other map files. To request GIS data in ESRI 10.1 shapefile format contact Stephanie O'Meara (stephanie.omeara@colostate.edu; see contact information below). The data is also available as a 2.2 KMZ/KML file for use in Google Earth, however, this format version of the map is limited in data layers presented and in access to GRI ancillary table information. Google Earth software is available for free at: http://www.google.com/earth/index.html. Users are encouraged to only use the Google Earth data for basic visualization, and to use the GIS data for any type of data analysis or investigation. The data were completed as a component of the Geologic Resources Inventory (GRI) program, a National Park Service (NPS) Inventory and Monitoring (I&M) Division funded program that is administered by the NPS Geologic Resources Division (GRD). Source geologic maps and data used to complete this GRI digital dataset were provided by the following: Colorado State University. Detailed information concerning the sources used and their contribution the GRI product are listed in the Source Citation section(s) of this metadata record (bofs_surficial_metadata.txt or bofs_surficial_metadata_faq.pdf). Users of this data are cautioned about the locational accuracy of features within this dataset. Based on the source map scale of 1:24,000 and United States National Map Accuracy Standards features are within (horizontally) 12.2 meters or 40 feet of their actual location as presented by this dataset. Users of this data should thus not assume the location of features is exactly where they are portrayed in Google Earth, ArcGIS or other software used to display this dataset. All GIS and ancillary tables were produced as per the NPS GRI Geology-GIS Geodatabase Data Model v. 2.3. (available at: http://science.nature.nps.gov/im/inventory/geology/GeologyGISDataModel.cfm). The GIS data projection is NAD83, UTM Zone 13N, however, for the KML/KMZ format the data is projected upon export to WGS84 Geographic, the native coordinate system used by Google Earth. The data is within the area of interest of Bent's Old Fort National Historic Site.

Resources

Format	Description	Link
57	Google Earth (kml/kmz format) map download (bofs_surficial_kml.zip)	https://irma.nps.gov/DataStore/DataStore/DownloadFile/618590?Reference=1038951
33	FAQ Metadata File	https://irma.nps.gov/DataStore/DataStore/DownloadFile/619408?Reference=1038951
57	GIS (geodatabase format) map download (bofs_surficial_gdb.zip)	https://irma.nps.gov/DataStore/DataStore/DownloadFile/618589?Reference=1038951
33	GIS Readme Document	https://irma.nps.gov/DataStore/DataStore/DownloadFile/619407?Reference=1038951
33	Ancillary Map Information Document	https://irma.nps.gov/DataStore/DataStore/DownloadFile/619406?Reference=1038951

Digital Surficial Geologic-GIS Map of Bent's Old Fort National Historic Site and Vicinity, Colorado (NPS, GRD, GRI, BEOL, BOFS digital map) adapted from a Colorado State University unpublished map by Linn (1999)

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