Crestmore, Riverside Co., California, USA
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The Crestmore quarries operated until 1986. Many hundreds of thousands of tons of rock were removed from them during the 1940's, much was removed earlier, and also later. Operations ceased when water flow resulted in prohibitively high pumping costs.
A list of references is provided under the locality file for the Crestmore Quarries, and under each separate quarry or mine file.
Mineral ListMineral list contains entries from the region specified including sub-localities
214 entries listed. 159 valid minerals. 7 (TL) - type locality of valid minerals. 1 (FRL) - first recorded locality of unapproved mineral/variety/etc.
Localities in this Region
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.