Report on Dudley Black Granite Quarry Open-file report; contains unpublished data that has not yet been peer-reviewed. Bedrock Geology Building Stone Precambrian Bedrock Rocks and Minerals Data and Resources WOFR1930-01 Report on Dudley Black Granite Quarry Bean, E.F.; 1930 Report: 1 p. Download Related Collections Open-File Report View Open-File Report