Cantera J. R. Contractors
MSHA Mine ID: 5400446
Material Type
Dimension Limestone
Mine Type
Surface
Classification Confidence
95% (HIGH)
Location Status
VERIFIED
Operator Information
Operator
J. R. Contractors
Controller
Jorge L Rosado Soto
Location
County: Isabela
State: PR
Country: US
Data Source
US_MSHA
Snapshot: 2026-01-30
Classification: vv1