TY - RPRT TI - Subsurface geology and structure in the vicinity of three drill holes in Piceance Creek basin, Rio Blanco County, Colorado AU - Richard P. Snyder AU - S.S. Terry PY - 1977 DO - 10.3133/ofr77271 UR - https://pubs.usgs.gov/publication/ofr77271 ID - ofr77271 ER -