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The Kansas Geological Survey maintains a collection of unpublished reports and maps that represent research findings conducted in the state. Included in the collection of open-file materials are graduate theses, unpublished reports, maps, and data.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 2026-1
Stratigraphic and Structural Evaluation of the Lower and Middle Pennsylvanian Subsystem in the Cherokee-Forest City Basin of the U.S. Midcontinent

OFR 2025-61
Maintain and Expand Kansas-Based Data Services to the National Groundwater Monitoring Network, 2023–2024 (pdf)

OFR 2025-60
Combining Soil Survey and Elevation Data to Develop a Predictive Model for Buried Cultural Deposits in Mill Creek Valley, Northeast Kansas, USA (pdf)

OFR 2025-59
Gas Analysis from Kansas, Research Database (as of June 2025)

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)

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.

Search Open-File Reports

Search KGS open-file reports by key word, author name, county, or date.

KGS open-file report database

Contact the KGS Publications Sales office for price information for reports not available online. Some open-file reports may only be available for viewing at our offices, and some are web-only publications.