Powhatan Mining Company / Portrait Development LLC / Date Description 1917 Powhatan Mining Company / Emmanuel Ministries International Inc. / /
Event
Employment Change / Reorganization / M&A / /
Facility
Powhatan Mining Company building / /
Organization
MDE Air and Radiation Management Administration / MDE Land Management Administration / Environmental Protection Agency / Baltimore County Department of Environmental Protection and Resource Management / /
Person
David Hilnbrand / Valerie Manor / Randall Gordon / Frederick Hilnbrand / Thomas Renner / /