These resources and materials are not in the public domain and copyright is largely held by the Digital Library and Archives, University Libraries, Virginia Polytechnic Institute and State University.
Black & White
Digital Library and Archives (Virginia Polytechnic Institute and State University)
CD: Earl Palmer Disc 1
Still used in some mines in Appalachia's coal mining regions, despite introduction of modern day machinery. This is true where a coal mine is owned by a family and often in "pencilstripe" seams of coal.