TY - RPRT TI - Preliminary report on the geology, geophysics, and hydrology of USBM/AEC Colorado core hole no. 2, Piceance Creek basin, Rio Blanco County, Colorado AU - John R. Ege AU - Roger D. Carroll AU - Frank A. Welder PY - 1967 DO - 10.3133/tei870 UR - https://pubs.usgs.gov/publication/tei870 ID - tei870 ER -