721. Porcupine Valley Yale Public content 1918. 2011-12-12T21:31:21Z. 2022-03-29T20:39:56Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Montana.
722. Portage, Mont Yale Public content 1949. 2011-12-12T21:31:21Z. 2022-03-29T20:39:56Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Montana.
723. Post route map of the state of Montana Yale Public content 1891. 2002-06-01T04:00:00Z. 2018-05-30T15:39:38Z. United States. Post Office Department, cartographer. United States Post Office Department. English. cartographic image. Public. Montana.
724. Post route map of the territories of Montana, Idaho, and Wyoming with parts of adjacent states and territories : showing post offices with intermediate distances between them and mail routes in operation on 1st October 1883 Yale Public content 1883. 2002-09-20T19:14:15Z. 2017-07-04T21:14:42Z. United States. Post Office Department. The Dept. English. Public. Montana, Idaho, and Wyoming.
725. Potential for talc deposits within the BLM wilderness study area of the northern part of the Ruby Range, Madison County, Montana [cartographic material] Yale Public content 1987. 2002-06-01T04:00:00Z. 2023-11-07T04:01:46Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana and Madison County.
726. Potentiometric-surface map of water in the Eagle Sandstone and equivalent units in the northern Great Plains area of Montana [cartographic material] Yale Public content 1982. 2002-06-01T04:00:00Z. 2023-05-06T03:01:25Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana.
727. Potentiometric-surface map of water in the Fox Hills-Lower Hell Creek aquifer in the northern Great Plains area of Montana [cartographic material] Yale Public content 1982. 2002-06-01T04:00:00Z. 2023-05-06T03:01:25Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana.
728. Potentiometric-surface map of water in the Judith River Formation in the northern Great Plains area of Montana [cartographic material] Yale Public content 1982. 2002-06-01T04:00:00Z. 2023-05-06T03:01:25Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana.
729. Potentiometric-surface map of water in the Lakota Formation and equivalent units in the northern Great Plains area of Montana [cartographic material] Yale Public content 1982. 2002-06-01T04:00:00Z. 2023-05-06T03:01:25Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana.
730. Preliminary complete Bouguer gravity anomaly map of the Butte 1⁰ x 2⁰ quadrangle, Montana [cartographic material] Yale Public content 1984. 2002-06-01T04:00:00Z. 2023-08-10T03:04:36Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Montana.