Temporal Coverage: From 230 to 570 million years ago - Yale University Library GeoBlacklight Search Results

1. Chipman sheet (west half), Queens and Sunbury counties, New Brunswick

1926. 2018-07-02T18:08:58Z. 2018-07-02T18:08:58Z. Dyer, William Spafford, 1894-. Geological Survey. English. cartographic image. Public. New Brunswick and Chipman Region. Paleozoic and From 230 to 570 million years ago.

2. Maps showing areal extent of selected Paleozoic shales in the northern midcontinent, U.S.A.

1992. 2002-06-01T04:00:00Z. 2016-05-17T16:22:16Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Middle West and Middle West. Paleozoic and From 230 to 570 million years ago.

3. Minto sheet (east half), Sunbury and Queens counties, New Brunswick

1926. 2018-07-02T18:06:17Z. 2018-07-02T18:06:17Z. Dyer, William Spafford, 1894-. Geological Survey. English. cartographic image. Public. New Brunswick and Minto Region. Paleozoic and From 230 to 570 million years ago.

4. Paleocurrent maps for the Upper Devonian and Lower Mississippian Endicott Group, Brooks Range, Alaska [cartographic material]

1980. 2002-06-01T04:00:00Z. 2023-01-06T04:04:24Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Alaska and Alaska. Paleozoic, Devonian, Mississippian, and From 230 to 570 million years ago.