TY - RPRT TI - Wildcat well penetration map showing wells drilled into and through potentially gas-bearing, low-permeability Upper Cretaceous and Tertiary reservoirs, Great Divide basin, southwest Wyoming AU - Charles Winthrop Spencer PY - 1979 DO - 10.3133/ofr79826 UR - https://pubs.usgs.gov/publication/ofr79826 ID - ofr79826 ER -