Post-Aggregate Aggregation : A Geographic Evaluation of Enhancement Reclamation at Aggregate Mines in the Western United States Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/zg64tp72m

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  • The aggregate industry is responsible for the extraction and production of crushed stone, sand, and gravel— the literal building blocks of our society. Across the U.S. there are tens of thousands of quarries and sand and gravel pits, the majority of which are left abandoned or with minimal reclamation efforts. However, the combination of population growth, increased permitting difficulties for the aggregate industry, growing environmental concerns, and land use competition has spurred the enhancement reclamation of some sites in the U.S. Enhancement reclamation is defined as the actualization of a quarry or sand and gravel pits’ secondary beneficial use potential achieved through reclamation or restoration. There is currently no documentation of where these sites exist or how frequently such projects occur. This research addresses the broad question, “What is the status of enhancement reclamation in the western U.S.?” and takes the first step towards the creation of a nationwide enhancement reclamation database. Enhancement reclamation projects were identified in western states in the conterminous U.S. and their geographic location(s) and reclamation type(s) were documented. These data are analyzed by region (pacific vs mountain), state, geographic environment, and enhancement reclamation type. The discussion is framed using the adaptive cycle to explain the frequency of enhancement reclamation projects between states and identifies population density, land use competition, and the geography of amenity as key drivers of enhancement reclamation.
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