Core Research Center Core B256

{"Lib Num": "B256", "API Num": null, "Operator": "USGS", "Well Name": "BT-22 BLACKTAIL MTN", "Field": null, "State": "MT", "County": "FLATHEAD", "Type": "SLABBED", "Photos": "T", "Thin Sec": "F", "Analysis": "T", "Latitude": "47.998242", "Longitude": "-114.374925", "coordinates_geohash": "c2w9j3fdp0fd", "Source": "CENTER OF QUARTER SECTION", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "BELT SERIES", "Age": "PREC", "Min Depth": "2", "Max Depth": "12"}], "crcwc_url": "https://my.usgs.gov/crcwc/core/report/9330", "documents": ["http://my.usgs.gov/crc-data/cores/data/MT/B256/B256data01.pdf"], "photos": ["http://my.usgs.gov/crc-data/cores/data/MT/B256/B256box1&2.jpg", "http://my.usgs.gov/crc-data/cores/data/MT/B256/B256box3.jpg"], "surface_rocktype": ["argillite", "quartzite"], "surface_age": "Middle Proterozoic", "gmu_name": "Spokane Formation", "strat_unit": "Spokane Formation", "gmu_ref": "http://pubs.usgs.gov/of/2005/1235/"}