Rocky Ridge Pit

Producer in Frederick county in Maryland, United States with commodity Clay
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Land status
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10145648
MRDS ID W019865
MAS/MILS ID 0240210001
Record type Site
Current site name Rocky Ridge Pit
Alternate or previous names Baltimore Brick Company
Related records 10073725

Geographic coordinates

Point of reference Trench
Geographic coordinates: -77.32468, 39.60392 (WGS84)
Elevation 116
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Frederick(county)

Maryland(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Woodsboro(quadrangle 1:24,000 scale)

Hagerstown(quadrangle 1:100,000 scale)

Baltimore(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Monocacy(hydrologic unit)

Potomac(hydrologic accounting unit)

Potomac(hydrologic subregion)

Mid Atlantic(hydrologic region)

Geographic areas

Country State County
United States Maryland Frederick

Commodities

Commodity Importance
Clay Primary

Nearby scientific data

Trench (1) Gettysburg Shale

Economic information

Economic information about the deposit and operations

Operation type Surface
Development status Producer
Commodity type Non-metallic
Significant No

Land status

Ownership category Private

Ownership information

  • Type Unknown
    Owner Baltimore Brick Co.
    ID 1800071

Reference information

Bibliographic references

  • Deposit

    MESA INSPECTORS

  • Deposit

    MSHA LIST 5/18/81.

  • Deposit

    # ASSOCIATED WITH PLANT, SEQ. NO. 0240219007.

Reporter information

Type Date Name Affiliation Comment
Reporter 03-NOV-83 Eastern Field Operations Center (EFOC) U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Current status (per MSHA)

StatusAbandoned since 04/29/2026
MSHA mine ID1800071
Mine name (MSHA)Rocky Ridge Plant
Current operatorGlen-Gery Corporation
Current controller (parent)Brickworks Limited
Mine typeSurface (Metal / non-metal)

MSHA cross-reference per the original MRDS record. Mine status and operator reflect MSHA's last published Mines export (February 2025); MSHA's public bulk feed has been unavailable since, so this may be out of date. See the Mine Data Retrieval System for current status.

Open MSHA's Mine Data Retrieval System for inspections, accidents, and violations for this mine.