Active

GUERNSEY QUARRY

Guernsey Pit, from I-25 N of Wheatland, take Exit 92, go E ~11 miles to Guernsey, go to the E end of Guernsey and take a left on Quarry Rd (under a railroad bridge), ~1 mile to mine entrance; 42.272803, -104.725977; 42 16 22, 104 43 34 204 3:01, Platte County, WY
Get DirectionsClaim This Listing
MSHA ID4800004
TYPESurface
MATERIALCrushed, Broken Limestone NEC
EMPLOYEES10

MATERIALS PRODUCED

Crushed, Broken Limestone NEC

COMPANY INFORMATION

Operator

Martin Marietta Materials Inc

Parent Company

Martin Marietta Materials Inc

Company Type

Corporation

DIRECTIONS

171

CONTACT

Contact information not available for unclaimed listings.

Are you the owner? Claim this listing

42.272778, -104.726111

Data Source

Mine Safety and Health Administration (MSHA)

Last updated: 1/30/2026

MORE QUARRIES IN WY

Moorcroft Mine

From Moorcroft, WY on US HWY 14 and the underpass of I-90 travel approximately 13.3 miles north on US HWY 14 to facility entrance. Turn right to turn onto access road. 44.431174, -104.853081, WY

Construction Sand and Gravel

Glenrock Mine 01

From Casper east on US Hwy 26, take left (north) on Cole Creek Road (Cty Rd 22). go past the railroad tracks and take the first right off Cole Creek Road. Follow the Powder River Proppant signs., WY

Construction Sand and Gravel

Bairco Mobile Crusher

From the intersection of Highway 789 and County Road 7 travel West on County Road 7 for 0.18 miles to the crusher location., WY

Construction Sand and Gravel

Mobile Crusher 2

Kemmerer, Wyoming, WY

Construction Sand and Gravel