Preliminary report on aggregate use and permitting along the Colorado Front Range

Wilburn, David R.; Langer, William H.

doi:10.3133/ofr00258

Cited by 3 publications

(3 citation statements)

References 2 publications

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“…In contrast, during 1997, only 55 percent of the aggregates demand in the Denver area was being met from sand and gravel sources while 31 percent was being met from crushed stone. The remaining 14 percent of the aggregate was derived from recycled concrete or asphalt (Wilburn and Langer, 2000).…”

Section: History Of Quarrying In the Denver Colorado Areamentioning

confidence: 99%

Specification aggregate quarry expansion - A case study demonstrating sustainable management of natural aggregate resources

Langer¹,

Tucker²

2003

Open-File Report

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Section: History Of Quarrying In the Denver Colorado Areamentioning

confidence: 99%

Specification aggregate quarry expansion - A case study demonstrating sustainable management of natural aggregate resources

Langer¹,

Tucker²

2003

Open-File Report

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“…1 Aggregate mining in the Colorado Front Range area takes place primarily within two distinct hydrogeologic settings: (1) alluvial sand and gravel deposits in the Colorado Piedmont and (2) fractured crystalline rock in the Rocky Mountains. About two-thirds of the aggregate in the Front Range area is sand and gravel from alluvium and about one-third is crushed stone from fractured crystalline rock (Wilburn and Langer, 2000).…”

Section: Hydrogeologic Settingsmentioning

confidence: 99%

Analytical and numerical simulation of the steady-state hydrologic effects of mining aggregate in hypothetical sand-and-gravel and fractured crystalline-rock aquifers

Arnold¹,

Langer²,

Paschke³

2003

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“…1529, increased demand, inadequate grain size to meet specifications, and environmental and visual concerns. Although a number of permits have been granted to expand existing quarries, there have been no permits to open new crushed stone quarries along the Colorado Front Range since 1978 (Wilburn and Langer, 2000).…”

Section: Resource Protectionmentioning

confidence: 99%

Managing and protecting aggregate resources

Langer¹

2002

Open-File Report

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This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government. U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY aggregate operation. Nevertheless, some otherwise high quality aggregate resources may not be developed because of environmental reasons. Aggregate is a high-bulk, low unit value commodity that derives much of its value from being located near the market. Thus, it is said to have a high place value (Bates, 1969). Transporting aggregate long distances can add significantly to the overall price of the product (Leighton, 1991). For example, a city of 100,000 can expect to pay an additional $1.3 million for each additional 10 miles that the aggregate it uses must be hauled (Ad Hoc Aggregate Committee, 1998). Therefore, aggregate operations frequently are located near population centers and other market areas. Despite society's dependence on natural aggregate, urban expansion often works to the detriment of the production of those essential raw materials. "Resource sterilization" occurs when the development of a resource is precluded by another existing land use. For example, aggregate resources that exist under a housing development or shopping center commonly will not be extracted. Bauer (1993) stated that probably the most serious reason for the loss of aggregate resources is the fact that, while resources such as vegetation, soils, archeological sites, endangered species, and so forth are recognized in the community comprehensive planning process as resources of community value, aggregates are not. Furthermore, citizens have their own ideas on how to use the land. Many citizens do not support mining, in part because they do not recognize the dependence of society on aggregate. Personal use is very little, if any, and individuals may not recognize aggregate mining as a necessary land use, even though the need for the commodity is constant. A survey conducted during 1994 (Bingham, 1994) concluded that the public in general believes mining exploits workers, harms the environment, harms the people in nearby communities, and has little personal benefit to the individual. For these and other reasons, citizens may prefer that stone and sand and gravel not be mined nearby (Langer and Glanzman, 1993). This "not in my back yard" syndrome may restrict aggregate development. To protect citizens from the impacts of mining, governments may require permits or impose regulations to control aggregate development. Poulin and others (1994) concluded that permits and regulations restrict development or expansion of aggregate in established areas more than actual resource availability. Weaver (1995) reports that no new crushed stone quarries have been permitted in Connecticut in 15 years, and indications are that estimated sand and gravel supplies in New England could be reduced by at least 90 ...

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Preliminary report on aggregate use and permitting along the Colorado Front Range

Cited by 3 publications

References 2 publications

Specification aggregate quarry expansion - A case study demonstrating sustainable management of natural aggregate resources

Specification aggregate quarry expansion - A case study demonstrating sustainable management of natural aggregate resources

Analytical and numerical simulation of the steady-state hydrologic effects of mining aggregate in hypothetical sand-and-gravel and fractured crystalline-rock aquifers

Managing and protecting aggregate resources

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