1. Geologic maps of anthracite-bearing rocks in the west-central part of the southern anthracite field, Pennsylvania, eastern area [cartographic material] Yale Public content 1968. 2012-10-09T17:15:27Z. 2013-03-18T22:22:35Z. Wood, Gordon H. (Gordon Harry), 1919-. The Survey. English. Public. Pennsylvania and Schuylkill County.