File Drawer 2

Includes evaportranspiration maps; precipitation stations; annotated USGS maps on plastic; general highway maps, Pueblo County and Otero County; Fort Lyon Canal system.

Contains topographic maps from the High Plains Hydrological Studies--(1) Hillman's Playa Lake, (2) Clark's Playa Lake, (3) Chalfont's Playa Lake; topographic map--Arikaree River Proposed Recharge Site; Plans for Arikaree River Recharge Study; grid of CSU observation wells; 2 drawings related to Cope recharge; Cope recharge land surface elevation; "Designated ground water basins and ground water management districts".

Includes maps related to proposed sump drains of San Luis Valley study; Rio Grande National Forest, Colorado; San Luis Valley project, Closed Basin Division. Several sheets folded.

This subseries contains over 300 maps, charts, and drawings relating to the projects in the earlier subseries. They were grouped by project as much as possible and segregated by size for storage purposes. The items range from hand-drawn maps to USGS quadrangles to highway maps. Often they contain a wealth of handwritten data. Three maps were added as part of the 2011 Longenbaugh accession.

Contains "Location of irrigation wells in South Platte River Basin in Colorado" (2 copies, 1 annotated); USGS quadrangles of Brighton and Fort Lupton with data; "Fulton, Brantner and Brighton ditch diversions (1930-1960)"; "South Platte River gains, Henderson to Fort Lupton (1930-1960)."

Includes "Diagram of ditch and reservoir systems, Water District 3"; "Irrigation water development along the Front Range, Denver to Fort Collins, Colorado"; "Preliminary map of Olds under ground water storage reservoir"; "Orientation map: South Platte River study area, Henderson to Fort Lupton"; drawings related to Prewitt Reservoir.