DMM20234 is an abandoned Calcareous Marl mine circa ~1945 to 1965. The mine name is . DMM Permit (if applicable): The location is Clarke, Boyce Quadrangle. The Mineral Resources of Virgina number (if appplicable) is: MRV-217D, MRV-217A . This item was recorded as part of the USGS NGGDPP deliverable for 2019-2020. The author is Division of Mineral Mining.