Core Research Center, core V257, from well operated by USGS
Raw Properties from download, web scrape, MapServer, and Macrostrat API
{"Lib Num": "V257", "API Num": null, "Operator": "USGS", "Well Name": "GR-77-1 GRAY RESERVOIR", "Field": "GRAND MESA COAL PROJ", "State": "CO", "County": "DELTA", "Type": "FULL", "Photos": "T", "Thin Sec": "F", "Analysis": "T", "Latitude": "38.90688", "Longitude": "-107.74155", "coordinates_geohash": "9wgmk6bcpbj7", "Source": "CENTER OF QUARTER SECTION", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "MESAVERDE", "Age": "CRET", "Min Depth": "533", "Max Depth": "1038"}], "crcwc_url": "https://my.usgs.gov/crcwc/core/report/15223", "documents": ["http://my.usgs.gov/crc-data/cores/15223/V257data01.pdf"], "photos": ["http://my.usgs.gov/crc-data/cores/15223/V257box15&16.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box9&10.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box3&4.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box39&40.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box37&38.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box49&50.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box41&42.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box45&46.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box35&36.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box13&14.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box25&26.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box23&24.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box43&44.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box27&28.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box31&32.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box11&12.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box1&2.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box47&48.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box7&8.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box21&22.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box29&30.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box17&18.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box19&20.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box33&34.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box1A.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box51.JPG", "http://my.usgs.gov/crc-data/cores/15223/V257box5&6.JPG"], "surface_rocktype": ["gravel"], "surface_age": "Calabrian - Middle Pleistocene", "gmu_name": "Older gravels and alluviums", "strat_unit": "", "gmu_ref": "https://pubs.er.usgs.gov/publication/ds1052"}