Past ProducerDiatomite, Stone, Crushed/BrokenUSGS MRDS
Location
State
Maryland
County
Calvert
Coordinates
38.70947, -76.69495
Commodities
Primary
Diatomite, Stone, Crushed/Broken
Mine Details
Status
Past Producer
Deposit Type
Sedimentary
Data Source
USGS MRDS
Source ID
10067936
What This Means
This mine is a past producer — it was once operational but is no longer actively mining. Past producer sites may still have environmental impacts including disturbed land, tailings piles, and potential water quality effects. Some past producer sites have been reclaimed, while others remain as-is. Check with your state mining or environmental agency for current site conditions.