Description: Shapefiles for this dataset were drawn using historical aerial photographs as a guide for the relative size and shape of chat piles, chat pile bases, and mill ponds.
Service Item Id: 519c7e9d19a243599e251fba444d1b93
Copyright Text: Rebecca Marfurt, ODEQ, created this dataset using historic aerial photographs, circa 1939. Photographs acquired from the Oklahoma Department of Libraries.
Description: Shapefiles for this dataset were drawn using historical aerial photographs as a guide for the relative size and shape of chat piles, chat pile bases, and mill ponds.
Service Item Id: 519c7e9d19a243599e251fba444d1b93
Copyright Text: Rebecca Marfurt, ODEQ, created this dataset using historic aerial photographs, circa 1952. Photographs acquired from the Oklahoma Department of Environmental Quality.
Description: Shapefiles for this dataset were drawn using historical aerial photographs as a guide for the relative size and shape of chat piles, chat pile bases, and mill ponds.
Service Item Id: 519c7e9d19a243599e251fba444d1b93
Copyright Text: Rebecca Marfurt, ODEQ, created this dataset using historic aerial photographs, circa 1964. Photographs acquired from Oklahoma State University Library.
Description: Shapefiles for this dataset were drawn using historical aerial photographs as a guide for the relative size and shape of chat piles, chat pile bases, and mill ponds.
Service Item Id: 519c7e9d19a243599e251fba444d1b93
Copyright Text: Rebecca Marfurt, ODEQ, created this dataset using historic aerial photographs, circa 1972. Photographs acquired from the Oklahoma State University Library..
Description: Shapefiles for this dataset were drawn using historical aerial photographs as a guide for the relative size and shape of chat piles, chat pile bases, and mill ponds.
Service Item Id: 519c7e9d19a243599e251fba444d1b93
Copyright Text: Rebecca Marfurt, ODEQ, created this dataset using historic aerial photographs, circa 1982. Photographs acquired from the Oklahoma Department of Environmental Quality.
Description: Shapefiles for this dataset were drawn using historical aerial photographs as a guide for the relative size and shape of chat piles, chat pile bases, and mill ponds.
Service Item Id: 519c7e9d19a243599e251fba444d1b93
Copyright Text: Rebecca Marfurt, ODEQ, created this dataset using current aerial imagery from Bing Maps (2012).