Geology of tight gas reservoirs in the Pinedale anticline area, Wyoming, and at the Multiwell Experiment site, Colorado / edited by B.E. Law and C.W. Spencer ; prepared in cooperation with the U.S. Department of Energy.
[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1989.