Jake Slagle:
Chabazite micromount: Jones Falls, Baltimore, MD
Jake Slagle:
Heulandite Micromount: Jones Falls, Baltimore, MD
Jake Slagle:
Rutile: Harford Cy., MD
Jake Slagle:
Rockbridgeite cabachon, WWV Locality, Prince Geroges Cy., MD
Jake Slagle:
Rockbridgeite, WWV Locality, Prince Georges Cy., MD
Jake Slagle:
Pokrovskite: Hunting Hill Quarry, Rockville, MD
Jake Slagle:
Pokrovskite micromount: Hunting Hill
Jake Slagle:
McGuinnessite Micromount: Hunting Hill
Jake Slagle:
Kaolinite: Iron Hill, Harford County, MD
Jake Slagle:
Iridescent Chalcopyrite: Bare Hills Copper Mine, Balto., MD
Jake Slagle:
Haydenite (chabazite):Jones Falls, Baltimore, MD
Jake Slagle:
Desautelsite Micromount: Hunting Hill
Jake Slagle:
Coalingite: Hunting Hill Quarry, Rockville, MD
Jake Slagle:
Chromite: Bare Hills, Baltimore Cy., MD
Jake Slagle:
Chromite with fibrous serpentine (picrolite): Bare Hills, Baltimore, Cy., MD
Jake Slagle:
Chromian clinochlore micromount: Cecil County, MD
Jake Slagle:
Chromian clinochlore: Cecil Cy., MD
Jake Slagle:
Chabazite: Jones Falls, Baltimore, MD
Jake Slagle:
Vivianite,:Wheeler Road Cut, Oxon Hill, MD
Jake Slagle:
Gold: Great Falls Mine, Montgomery Cy., MD
Jake Slagle:
Smithsonite