APA (7th ed.) Citation

Briar, D. W., & Christensen, P. K. (1993). 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. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Briar, David W., and Paul K. Christensen. 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. Helena, Mont.: U.S. Dept. of the Interior, U.S. Geological Survey, 1993.

MLA (9th ed.) Citation

Briar, David W., and Paul K. Christensen. 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. U.S. Dept. of the Interior, U.S. Geological Survey, 1993.