Subject categories
Climate, Environment, Natural Resources & Disasters → Erosion
Climate, Environment, Natural Resources & Disasters → Floods
Climate, Environment, Natural Resources & Disasters → Hydrologic cycle
Climate, Environment, Natural Resources & Disasters → Natural history
Climate, Environment, Natural Resources & Disasters → Rivers
Climate, Environment, Natural Resources & Disasters → Waterways
Educational & Instructional
Educational & Instructional → Educational films
Educational & Instructional → Instructional
Mathematics, Science & Technology → Hydrologic cycle
Short films
Short films → Short films - United States
Holdings
16mm film; Preservation Print (Section 5)
16mm film; Access Print (Section 1)
16mm film; Limited Access Print (Section 2)