National Park Service
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Collection:
All Collections
Historic Photograph Collection
National Recreation Trails in LAKE
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All Series Titles
Accident Prevention
Branch museums, outdoor exhibits
Disasters
Electricity
Engineers print file
Environmental education
Exhibits-in-place
Facilities
Forest Fires
Forest fires lookouts and protections
Geology
Hot Springs
Interpretive talks on trails
Law Enforcement
Libraries
litter
Museum building sites, nongovernment
Museum collections, exhibits
Museum equipment, furnishings supplies
Museum equipment, furnishings supplies.
Nature trails, including interpretive
Nature Trails, proposed
Offical ceremonies and observances
Photographic Methods
Reconstruction, restoration of historic and prehistoric structures
vandalism to natural rescources and features
visitor abuse
Visitor use
Visitors
Visitors (notable, etc.)
Vistor use
Volunteers
Wayside Exhibits
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Some of the many keywords you can search on are: beach, desert, exhibit, lake, mountain