Slide 15: Stockton Lake Petroglyph
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Part of Donna C. Roper papers
Slide 15: Stockton Lake Petroglyph
Part of Donna C. Roper papers
Slide 16: Unidentified Personal
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Slide 10: Unidentified lithic artifacts
Part of Donna C. Roper papers
Slide 11: Sangamon River Valley Maps
Part of Donna C. Roper papers
Slide 13: Unidentified site maps and artifacts
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Slide 12: Unidentified Illinois
Part of Donna C. Roper papers
Slide 2: Interpretation of an Unidentified Site
Part of Donna C. Roper papers
Slide 9: KHC - Coronado Lecture
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Slide 3: Unidentified Excavation
Part of Donna C. Roper papers
Slide 4: Artifacts from Unidentified Site
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Part of Donna C. Roper papers
Slide 7: Lunar Eclipse 1/20/00
Part of Donna C. Roper papers
Slide 1: Plains Conference 1990
Part of Donna C. Roper papers
Slide 4: Unknown Project, 1995
Part of Donna C. Roper papers
Slide 6: Minnesota August 1980
Part of Donna C. Roper papers
Part of Donna C. Roper papers