Digital Geologic-GIS Map of Black Canyon of the Gunnison National Park, Curecanti National Recreation Area, and Vicinity, Colorado (NPS, GRD, GRI, BLCA, CURE, BLCA_CURE digital map) adapted from a U.S. Geological Survey Miscellaneous Geologic Investigations Map by Hansen (1968), U.S. Geological Survey GQ Maps by Hedlund, Olson, Dickinson and Hansen (1965 to 1975), a Colorado Geological Survey OFR map by Stork and others (2006), and Western State College unpublished maps by Stork, Gaskill and others (1999)

Description

The Digital Geologic-GIS Map of Black Canyon of the Gunnison National Park, Curecanti National Recreation Area, and Vicinity, Colorado is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file geodatabase (blca_cure_geology.gdb), a 2.) Open Geospatial Consortium (OGC) geopackage, and 3.) 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. The file geodatabase format is supported with a 1.) ArcGIS Pro map file (.mapx) file (blca_cure_geology.mapx) and individual Pro layer (.lyrx) files (for each GIS data layer), as well as with a 2.) 10.1 ArcMap (.mxd) map document (blca_cure_geology.mxd) and individual 10.1 layer (.lyr) files (for each GIS data layer). The OGC geopackage is supported with a QGIS project (.qgz) file. Upon request, the GIS data is also available in ESRI 10.1 shapefile format. Contact Stephanie O'Meara (see contact information below) to acquire the GIS data in these GIS data formats. In addition to the GIS data and supporting GIS files, three additional files comprise a GRI digital geologic-GIS dataset or map: 1.) a readme file (blca-cure_geology_gis_readme.pdf), 2.) the GRI ancillary map information document (.pdf) file (blca-cure_geology.pdf) which contains geologic unit descriptions, as well as other ancillary map information and graphics from the source map(s) used by the GRI in the production of the GRI digital geologic-GIS data for the park, and 3.) a user-friendly FAQ PDF version of the metadata (blca_cure_geology_metadata_faq.pdf). Please read the blca-cure_geology_gis_readme.pdf for information pertaining to the proper extraction of the GIS data and other map files. Google Earth software is available for free at: https://www.google.com/earth/versions/. QGIS software is available for free at: https://www.qgis.org/en/site/. 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). For a complete listing of GRI products visit the GRI publications webpage: https://www.nps.gov/subjects/geology/geologic-resources-inventory-products.htm. For more information about the Geologic Resources Inventory Program visit the GRI webpage: https://www.nps.gov/subjects/geology/gri.htm. At the bottom of that webpage is a "Contact Us" link if you need additional information. You may also directly contact the program coordinator, Jason Kenworthy (jason_kenworthy@nps.gov). Source geologic maps and data used to complete this GRI digital dataset were provided by the following: U.S. Geological Survey, Colorado Geological Survey and Western State College of Colorado. Detailed information concerning the sources used and their contribution the GRI product are listed in the Source Citation section(s) of this metadata record (blca_cure_geology_metadata.txt or blca_cure_geology_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 1:31,680 and United States National Map Accuracy Standards features are within (horizontally) 16.1 meters or 52.8 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, QGIS 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: https://www.nps.gov/articles/gri-geodatabase-model.htm).

Resources

Name Format Description Link
33 GIS Readme Document https://irma.nps.gov/DataStore/DownloadFile/686616?Reference=2298938
57 GIS (file geodatabase format) data package with a Pro map (.mapx) file (blca_cure_geology_gdb_pro.zip) https://irma.nps.gov/DataStore/DownloadFile/686618?Reference=2298938
33 Ancillary Map Information Document https://irma.nps.gov/DataStore/DownloadFile/686617?Reference=2298938
57 Google Earth (kml/kmz format) data package (blca_cure_geology_kml.zip) https://irma.nps.gov/DataStore/DownloadFile/686641?Reference=2298938
57 GIS (geopackage format) data package with a QGIS project (.qgz) file (blca_cure_geology_gpkg.zip) https://irma.nps.gov/DataStore/DownloadFile/686614?Reference=2298938
57 GIS (file geodatabase format) data package with an ArcMap map document (.mxd) file (blca_cure_geology_gdb.zip) https://irma.nps.gov/DataStore/DownloadFile/686619?Reference=2298938
33 FAQ Metadata File https://irma.nps.gov/DataStore/DownloadFile/686615?Reference=2298938

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