Core Research Center, core D540, from well operated by CALIFORNIA OIL
Raw Properties from download, web scrape, MapServer, and Macrostrat API
{"Lib Num": "D540", "API Num": "2509105170", "Operator": "CALIFORNIA OIL", "Well Name": "1 EGGEN UNIT", "Field": "FLAT LAKE", "State": "MT", "County": "SHERIDAN", "Type": "SLABBED", "Photos": "F", "Thin Sec": "F", "Analysis": "F", "Latitude": "48.980769", "Longitude": "-104.127385", "coordinates_geohash": "c8tyws8v8j4h", "Source": "FROM STATE RECORDS", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "RATCLIFFE", "Age": "MISS", "Min Depth": "6460", "Max Depth": "6512"}], "crcwc_url": "https://my.usgs.gov/crcwc/core/report/11592", "surface_rocktype": ["coal", "sandstone", "shale"], "surface_age": "Danian - Selandian", "gmu_name": "Tongue River Member of Fort Union Formation", "strat_unit": "Tongue River Member", "gmu_ref": "https://pubs.er.usgs.gov/publication/ds1052"}