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Pittsburgh Consolidation Coal Company photographs and other materials
Beechwood Mine, Frostburg, Maryland, mine #30
Robinson and Via Family Papers
“Each Quilt Can Tell You a Story”: An Interview with Sylvia G. Stephens
Anti-Slavery Constitutional Amendment Picture
Phosphate Mineral Pseudomalachite
Populus deltoides W. Bartram ex Marshall
Phyllosilicate Mineral Talc
Warshaw Collection of Business Americana Subject Categories: Railroads
Coscinodiscus arcus K.E. Lohman
Cladogramma dubium K.E. Lohman
Cladogramma ellipticum K.E. Lohman
Cestodiscus marylandicus K.E. Lohman
Coscinodiscus salisburyanus K.E. Lohman
Liradiscus bipolaris K.E. Lohman
Liradiscus minimus K.E. Lohman
Melosira complexa K.E. Lohman
Rhaphoneis immunis K.E. Lohman
Rhaphoneis wicomicoensis K.E. Lohman