TY - RPRT TI - Variations in land use and nonpoint-source contamination on the Fort Berthold Indian Reservation, west-central North Dakota, 1990-93 AU - Kathleen Macek-Rowland AU - Robert M. Lent PY - 1996 DO - 10.3133/wri964007 UR - https://pubs.usgs.gov/publication/wri964007 ID - wri964007 ER -