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QUEEN'S CANYON QUARRY This operation was started in the summer of 1955, and is approximately 75% quarried out Depending on market consumption, expected termination dale Is 1976 Because of the proximity of the quarry to projects in the region, there is a signilicant savings to taxpayers Ninety percent of the product is used in the immediate vicinity, and 80% in tax-supported lederal, state and local programs Pollution-control devices are used on all mill equipment REFORESTATION Castle has agreed to revegetate the quarry after the product has been removed. The reforestation pro- gram is conducted in close cooperation with the U.S. Forest Service, the Fountain Valley Soil Conservation Service and Colorado State University. HISTORY Castle Concrete Company was organized in early 1955, under Colorado law. for the primary purpose of operating the mining-quarry operations in the Em- pire Placer Claims near the Flying W Ranch in EI Paso County, Colorado. The important deposits on the Placer claims consist of both white and red limestone deposits. The red lime- stone. called dolomitic limestone, has 29% magnesium content, and Army Corps of Engineers has approved the use of Castle Concrete limestone. In April, 1955, the corporation acquired the m~al rights, improvements and equipment from a previous operator. A considerable amount of expense was in- curred in preparing the site for productivity, and gen- eral sales began in the summer of 1955. There are three types of material available for con- crete aggregate: limestone and alluvial gravel, both found locally, and river gravel, available from the Arkan- sas River. LENNOX-BREED QUARRY The land on which this quarry is located is not owned by Castle Concrete Company Castle has alive-year lease to remove remaining limestone deposits and pre- pare the land for reclamation by the owner. SNYDER QUARRY This quarry, in contrast to the Queens Canyon operation. is behind a ridge As quarrying proceeds. the operation will be partially screened from view of populated areas Located on private land, this quarry is roughly twice the deposd of Queen s Canyon, mainly because of the Thickness of the rleposil. Approximately 10% of the deposit will quality as high calcium lime- stone (sugarslone). In addition to its substantial and superior concrete aggregate characteristics, the Castle limestone has also demonstrated its superior qualities for use in road build- ing. This same quality has been demonstrated in other types of construction and has caused Castles limestone to be approved for sdch projects as the Air Force Aca- demy Stadium, the Boulder, Colorado, space research project and the Ft. Carson. Colorado, motor pools and the NORAD complex under Cheyenne Mountain. • A brief survey of the protects to which Castle has contributed reveal the tremendous importance of this local industry. No other source of like quality and avalla- biliry is known. As of December. 1970. Castle Concrete had con- Irihilted annrnximatev fives millinn rlnla rc in rlirnrt payroll to the Pikes Peak Region. The annual payroll, now, for the company employees, contract truckers and non-contract truckers dependent on their liveli- hood Irom Castle products-exceeds one million dollars.