@misc{indiciaef363fec0c21e, title = {Lithologic logs of observation wells and test holes drilled in 1987 in valley fill along the north flank of the Little Rocky Mountains, Fort Belknap Indian Reservation, north-central Montana}, author = {D.W. Briar and P.K. Christensen}, year = {1993}, doi = {10.3133/wri924163}, url = {https://pubs.usgs.gov/publication/wri924163}, note = {Source identifier: wri924163} }