@misc{indiciaee06bc8b00dae, title = {Coal resource occurrence and coal development potential maps of the Lance Creek 2 Southwest quadrangle, Converse and Niobrara Counties, Wyoming}, author = {IntraSearch Inc.}, year = {1979}, doi = {10.3133/ofr79455}, url = {https://pubs.usgs.gov/publication/ofr79455}, note = {Source identifier: ofr79455} }