1. Measured sections of late Paleozoic and Mesozoic rocks, Mount Michelson quadrangle, Alaska [cartographic material] Yale Public content 1984. 2023-08-29T18:59:31Z. 2023-08-30T03:02:18Z. Detterman, Robert L., author. U.S. Geological Survey. English. cartographic image. Public. Alaska and Alaska. Paleozoic, Mesozoic, and From 65 to 570 million years ago.