321. Mitchell, Oreg Yale Public content 1968. 2011-12-12T21:35:46Z. 2022-03-29T20:40:30Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Oregon.
322. Mobile, Ala Yale Public content 1968. 2011-06-03T16:39:49Z. 2022-03-29T20:41:13Z. Geological Survey (U.S.). United States, Dept. of the Interior, Geological Survey. English. Public. Alabama.
323. Mount Joyce [cartographic material] Yale Public content 1968. 2012-05-18T19:24:18Z. 2012-05-23T14:27:28Z. Geological Survey (U.S.). For sale by the U.S. Geological Survey. English. Public. Antarctica.
324. Mount Melbourne [cartographic material] Yale Public content 1968. 2012-05-18T19:13:34Z. 2012-05-23T14:27:28Z. Geological Survey (U.S.). The Survey. English. Public. Antarctica.
325. Mount Whitney, Calif Yale Public content 1968. 2011-12-12T21:23:33Z. 2022-03-29T20:39:00Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. California.
326. Mt Michelson (D-2) quadrangle, Alaska : 1:63 360 series (topographic). Yale Public content 1968. 2012-09-28T15:02:45Z. 2022-03-29T20:37:10Z. Geological Survey (U.S.). Interior-Geological Survey. English. cartographic image. Public. Alaska.
327. New Lexington, Ala Yale Public content 1968. 2011-06-03T16:38:56Z. 2022-03-29T20:41:12Z. Geological Survey (U.S.). United States, Dept. of the Interior, Geological Survey. English. Public. Alabama.
328. Newtonville, Ala Yale Public content 1968. 2011-06-03T16:39:12Z. 2022-03-29T20:41:13Z. Geological Survey (U.S.). United States, Dept. of the Interior, Geological Survey. English. Public. Alabama.
329. [Nihon no kazan] Volcanoes of Japan / [cartographic material] = Yale Public content 1968. 2019-07-29T14:37:32Z. 2019-08-03T21:33:10Z. Isshiki, Naoki, 1929-. Geological Survey of Japan. Japanese&English. cartographic image. Public. Japan, Japan., and Japão.
330. Nipigon - Schreiber sheet, Thunder Bay District Yale Public content 1968. 2018-04-24T19:23:02Z. 2022-12-06T16:58:56Z. Pye, E. G. Dept. of Mines. English. cartographic image. Public. Schreiber Region, Ontario, and Nipigon Region.