Online Books by
Paul K. Christensen
Books from the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Christensen, Paul K.: Hydrology of valley fill and potential for additional ground-water withdrawals 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), also by David W. Briar, Douglas J. Oellermann, Fort Belknap Indian Community of the Fort Belknap Reservation of Montana. Tribal Council, United States Bureau of Indian Affairs, and Geological Survey (U.S.) (page images at HathiTrust)- Christensen, Paul K.: 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), also by David W. Briar, Geological Survey (U.S.), Fort Belknap Indian Community of the Fort Belknap Reservation of Montana. Tribal Council, and United States Bureau of Indian Affairs (page images at HathiTrust)
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