File Drawer 1

This series consists of oversize maps and graphs related to geology and water management in Colorado, especially in the South Platte valley. Subject matter includes river diversions, designated groundwater basins, reaches of the South Platte River, reservoirs and irrigation systems, and geologic compositions. Maps are arranged by relative size.

This series consists of oversize maps and graphs related to geology and water management in Colorado, especially in the South Platte valley. Subject matter includes river diversions, designated groundwater basins, reaches of the South Platte River, reservoirs and irrigation systems, and geologic compositions. Maps are arranged by relative size.

This series consists of oversize maps and graphs related to geology and water management in Colorado, especially in the South Platte valley. Subject matter includes river diversions, designated groundwater basins, reaches of the South Platte River, reservoirs and irrigation systems, and geologic compositions. Maps are arranged by relative size.

This series consists of oversize maps and graphs related to geology and water management in Colorado, especially in the South Platte valley. Subject matter includes river diversions, designated groundwater basins, reaches of the South Platte River, reservoirs and irrigation systems, and geologic compositions. Maps are arranged by relative size.

This series consists of oversize maps and graphs related to geology and water management in Colorado, especially in the South Platte valley. Subject matter includes river diversions, designated groundwater basins, reaches of the South Platte River, reservoirs and irrigation systems, and geologic compositions. Maps are arranged by relative size.

This series consists of oversize maps and graphs related to geology and water management in Colorado, especially in the South Platte valley. Subject matter includes river diversions, designated groundwater basins, reaches of the South Platte River, reservoirs and irrigation systems, and geologic compositions. Maps are arranged by relative size.

This series consists of oversize maps and graphs related to geology and water management in Colorado, especially in the South Platte valley. Subject matter includes river diversions, designated groundwater basins, reaches of the South Platte River, reservoirs and irrigation systems, and geologic compositions. Maps are arranged by relative size.

This series consists of oversize maps and graphs related to geology and water management in Colorado, especially in the South Platte valley. Subject matter includes river diversions, designated groundwater basins, reaches of the South Platte River, reservoirs and irrigation systems, and geologic compositions. Maps are arranged by relative size.