Open-File Reports
The Kansas Geological Survey maintains a collection of unpublished reports and maps that represent research findings conducted in the state. Included in the collection of open-file materials are graduate theses, unpublished reports, maps, and data.
Recent KGS open-file reports
OFR 2025-58
High Plains Aquifer Index Well Program: 2024 Annual Report (pdf)
OFR 2025-55
Lithological Description of Drill Core Ph-1 Pawnee County, Nebraska (pdf)
OFR 2025-54
Lithological Description of Drill Core Molycorp EC-49 Johnson County, Nebraska (pdf)
OFR 2025-53
Lithological Description of Drill Core WM-5 Nodaway County, Missouri (pdf)
OFR 2025-52
Lithological Description of Drill Core C-133 Mayes County, Oklahoma (pdf)
OFR 2025-50
Top Arbuckle, Kansas — Depth Structure Map (pdf)
OFR 2025-49
Top Precambrian Basement, Kansas — Depth Structure Map (pdf)
OFR 2025-19
Upper Arkansas River Corridor Groundwater Quality Modeling (pdf)
An accessible version of the documents on this site will be made available upon request. Please contact the KGS editor at kgs-editor@ku.edu to request the document be made available in an accessible format.