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Contents
Scope of investigation
Previous investigations
Well-numbering system
Topography and drainage
Climate
Summary of stratigraphy
Subsurface rocks
Outcropping rocks
Geologic formations
Cretaceous System-Upper Cretaceous Series
Niobrara Chalk
Pierre Shale
Tertiary System-Pliocene Series
Ogallala Formation
Quaternary System-Pleistocene Series
Crete Formation
Loveland and Peoria Formations
Alluvium
Source and occurrence
Water table and movement of ground water
Recharge
Local precipitation
Streams and ponds
Infiltration of irrigation water
Discharge
Natural
Wells
Inflow and outflow
Water in storage
Hydrologic properties of water-bearing materials
Coefficients of storage and transmissibility
Drawdown, distance, and time relationships
Availability
Alluvial valleys
Ogallala Formation
Utilization
Domestic and stock supplies
Municipal supplies
Oberlin
Norcatur
Jennings
Irrigation supplies
Chemical quality
Chemical constituents in relation to use
Sanitary considerations
Suitability of water for irrigation
Records of Wells and Test Holes
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Kansas Geological Survey, Geology
Placed on web Oct. 8, 2008; originally published Dec. 1969.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/General/Geology/Decatur/01_contents.html