331. Perma, Mont Yale Public content 1961. 2011-12-12T21:31:20Z. 2022-03-29T20:39:56Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Montana.
332. [Philippine Islands 1:50,000]. Yale Public content 1961. 2003-04-01T16:27:55Z. 2011-03-28T21:15:39Z. Philippines (Republic). Board of Technical Surveys and Maps. English. Public. Philippines.
333. Plain, Wisc Yale Public content 1961. 2011-12-12T21:40:50Z. 2022-03-29T20:41:03Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Wisconsin.
334. Plains, Mont Yale Public content 1961. 2011-12-12T21:31:20Z. 2022-03-29T20:39:56Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Montana.
335. Plaster City, Calif Yale Public content 1961. 2011-12-12T21:23:45Z. 2022-03-29T20:39:02Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. California.
336. Point Arguello, Calif Yale Public content 1961. 2011-12-12T21:23:45Z. 2022-03-29T20:39:02Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. California.
337. Point Sal, Calif Yale Public content 1961. 2011-12-12T21:23:46Z. 2022-03-29T20:39:02Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. California.
338. Polaris, Mont Yale Public content 1961. 2011-12-12T21:31:20Z. 2022-03-29T20:39:56Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Montana.
339. Pollard, Ala Yale Public content 1961. 2011-06-03T16:38:51Z. 2022-03-29T20:41:12Z. Geological Survey (U.S.). United States, Dept. of the Interior, Geological Survey. English. Public. Alabama.
340. Possible expanded shale resources near Yankton, South Dakota Yale Public content 1961. 2018-05-14T19:36:47Z. 2018-05-14T19:36:47Z. South Dakota Geological Survey. South Dakota Geological Survey. English. cartographic image,text. Public. South Dakota, Yankton County, Yankton County (S.D.), and Yankton County.