Mines in Guaynabo County, Puerto Rico

Guaynabo County, Puerto Rico has 1 mine and mineral deposit locations documented in federal records from the USGS and MSHA. 1 of these are currently active mining operations. The most commonly recorded commodity is sand and gravel, construction, with 1 sites. The table below lists all recorded mines in the county with links to individual site details.

All Mines in Guaynabo County

Mine	Commodity	Type	Status	Source
Rio Construction's Sand and Gravel Quarry	Sand and Gravel, Construction		Producer	MRDS