Radio substation house
Blue Ridge Parkway
Radio Substatiion House - Poor Mtn.,, Virginia, Section 1N.
Replacing radio antennae at Biscayne National Park, March 1988
Biscayne National Park; National Park Service
Radio repair personnel.
1988-03
WGRC prepares for cave radio broadcast
Mammoth Cave National Park; National Park Service
WGRC radio broadcasts from Echo River
Mammoth Cave National Park; National Park Service
WGRC radio broadcasts from Echo River
Mammoth Cave National Park; National Park Service
WHAS radio broadcast from onyx chambers
Mammoth Cave National Park; National Park Service
WLW radio interview in the cave
Mammoth Cave National Park; National Park Service
WGRC radio broadcasts from Echo River
Mammoth Cave National Park; National Park Service
WGRC radio broadcasts from Echo River
Mammoth Cave National Park; National Park Service
WGRC radio broadcasts from Echo River
Mammoth Cave National Park; National Park Service
WHAS radio broadcast from onyx chambers
Mammoth Cave National Park; National Park Service
WHAS radio broadcast from onyx chambers
Mammoth Cave National Park; National Park Service
WGRC prepares for cave radio broadcast
Mammoth Cave National Park; National Park Service
WGRC prepares for cave radio broadcast
Mammoth Cave National Park; National Park Service
WGRC prepares for cave radio broadcast
Mammoth Cave National Park; National Park Service
WBRC prepares for cave radio broadcast
Mammoth Cave National Park; National Park Service
Radio Tower at Clingmans Dome
Great Smoky Mountains National Park
Radio Tower at Clingman's Dome, I-A-Gen-4720, Natural Features - Mountains - General Views
Milton Bacon (WCKY) in Hercules (railroad engine)
Mammoth Cave National Park; National Park Service
Effects of Regulated Lake Levels on Beaver in Voyageurs National Park, Minnesota
National Park Service Water Resources Division; National Park Service
Radio tower bent by hurricane winds
Dry Tortugas National Park; National Park Service
Radio tower bent by Hurricane Isabel wind
WGRC (mutual broadcasting system) prepares for cave radio broadcast
Mammoth Cave National Park; National Park Service
Effects of Regulated Lake Levels on Muskrats in Voyageurs National Park, Minnesota
National Park Service Water Resources Division; National Park Service
Cave, group attending first religious broadcast from Mammoth Cave, 1938
Mammoth Cave National Park; National Park Service
WHAS short wave radio test in Mammoth Cave, Echo River, 1940
Mammoth Cave National Park; National Park Service
Radio substation house, Blue Ridge Parkway, North Carolina
Blue Ridge Parkway
Revised, North Carolina Section 2N.
WHAS short wave radio test in Mammoth Cave, Echo River, 1940
Mammoth Cave National Park; National Park Service
Guide with lantern on his head watching WLW radio in the cave
Mammoth Cave National Park; National Park Service
Cave, part of the group which attended the first religious broadcast from Mammoth Cave, 1938
Mammoth Cave National Park; National Park Service
Major Walter O. Ulery leaving cave after giving first religious broadcast from Mammoth Cave, 1938
Mammoth Cave National Park; National Park Service
Radio substation house
Blue Ridge Parkway
Radio Substa. House - Apple Orchard Mtn, Sta 98+35, Virginia, Section 1J.
Cave, part of the group which attended the first religious broadcast from Mammoth Cave, 1938
Mammoth Cave National Park; National Park Service
Cave, part of the group which attended the first religious broadcast from Mammoth Cave, 1938
Mammoth Cave National Park; National Park Service
Cave, part of the group which attended the first religious broadcast from Mammoth Cave, 1938
Mammoth Cave National Park; National Park Service
Proposed WSEL radio substation house
Blue Ridge Parkway
Locat. Map - Prop WSEL Radio Substa. House,98+35, Virginia, Section 1J.
Guide and a young woman standing at a Philco radio in Snowball Dining Room
Mammoth Cave National Park; National Park Service
Young woman shows guide new Philco radio in Snowball Dining Room while guests dine
Mammoth Cave National Park; National Park Service
Cave visitors, woman at a Philco radio in Snowball Dining Room while people eat behind her
Mammoth Cave National Park; National Park Service
Profile of Radio relay site at Frying Pan Tunnel, Blue Ridge Parkway, North Carolina
Blue Ridge Parkway
North Carolina Section 2U.
Radio substation house
Blue Ridge Parkway
Radio Substation House, Sta 142+80, JR Maint. Area, Virginia, Section 1H.
As group of visitors dine in Snowball, squatting guide and a woman play a Philco radio
Mammoth Cave National Park; National Park Service
Profile of Radio relay site at Frying Pan Tunnel, Blue Ridge Parkway, North Carolina
Blue Ridge Parkway
North Carolina Section 2U.
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