TY - RPRT TI - Geohydrologic reconnaissance of the Avoca lignite deposit area near Williston, northwestern North Dakota AU - W.F. Horak AU - O.A. Crosby PY - 1985 DO - 10.3133/wri854024 UR - https://pubs.usgs.gov/publication/wri854024 ID - wri854024 ER -