Open Parks Network

An officer over the radio in Harbor Entrance Control Post(HEPC) Radio Room, Fort Moultrie, South Carolina National Park Service H.E.C.P. Radio Room; 6B; NOV81A3 8.

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As group of visitors dine in Snowball, squatting guide and a woman play a Philco radio Mammoth Cave National Park; National Park Service

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1939-08

Cave visitors, woman and a guide standing at a Philco radio in an empty Snowball Dining Room Mammoth Cave National Park; National Park Service

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1939-08

Cave visitors, woman at a Philco radio in Snowball Dining Room while people eat behind her Mammoth Cave National Park; National Park Service

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1939-08

Cave visitors, woman at a Philco radio in Snowball Dining Room while people eat behind her Mammoth Cave National Park; National Park Service

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1939-08

Cave, Major Walter Ulrey of the volunteers of America delivering first religious broadcast from place known as Methodist Church, three fourths of a mile from historic entrance and 360 ft. below the surface, 1936 Mammoth Cave National Park; National Park Service

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1938-06-26

Cave, broadcast by WSM "Men at Work" program, a guide was interviewed taking the regular Frozen Niagara trip, 1939 Mammoth Cave National Park; National Park Service

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1939-08-24

Cave, broadcast by WSM "Men at Work" program, a guide was interviewed taking the regular Frozen Niagara trip, 1939 Mammoth Cave National Park; National Park Service

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1939-08-24

Cave, broadcast by WSM "Men at Work" program, a guide was interviewed taking the regular Frozen Niagara trip, 1939 Mammoth Cave National Park; National Park Service

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1939-08-4

Cave, group attending first religious broadcast from Mammoth Cave, 1938 Mammoth Cave National Park; National Park Service

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1938-06-26

Cave, guide and announcer just before starting in the Frozen Niagara entrance for "Men at Work" program broadcast by WSM, 1939 Mammoth Cave National Park; National Park Service

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1939-08-24

Cave, guide and announcer just before starting in the Frozen Niagara entrance for "Men at Work" program broadcast by WSM, 1939 Mammoth Cave National Park; National Park Service

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1939-08-24

Cave, guide and announcer just before starting in the Frozen Niagara entrance for "Men at Work" program broadcast by WSM, 1939 Mammoth Cave National Park; National Park Service

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1939-08-24

Cave, part of the group which attended the first religious broadcast from Mammoth Cave, 1938 Mammoth Cave National Park; National Park Service

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1938-06-26

Cave, part of the group which attended the first religious broadcast from Mammoth Cave, 1938 Mammoth Cave National Park; National Park Service

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1938-06-26

Cave, part of the group which attended the first religious broadcast from Mammoth Cave, 1938 Mammoth Cave National Park; National Park Service

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1938-06-26

Cave, part of the group which attended the first religious broadcast from Mammoth Cave, 1938 Mammoth Cave National Park; National Park Service

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1938-06-26

Effects of Regulated Lake Levels on Beaver in Voyageurs National Park, Minnesota National Park Service Water Resources Division; National Park Service

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1988-07

Effects of Regulated Lake Levels on Muskrats in Voyageurs National Park, Minnesota National Park Service Water Resources Division; National Park Service

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1988-07

Front view of the radio room panel showing WVEP, Harbor Entrance Control Post, 1943 National Park Service Front view of Radio Room radio panel showing WVWP. Upstairs in H.E.C.P.

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1943

Guide and a young woman standing at a Philco radio in Snowball Dining Room Mammoth Cave National Park; National Park Service

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1939-08

Guide with lantern on his head watching WLW radio in the cave Mammoth Cave National Park; National Park Service

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1940-07

Interior view of radio room panel, Harbor Entrance Control Post, 1943 National Park Service Interior view of Radio room radio panel in old H.E.C.P.

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1943

Major Walter O. Ulery leaving cave after giving first religious broadcast from Mammoth Cave, 1938 Mammoth Cave National Park; National Park Service

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1938-06-26

Milton Bacon (WCKY) in Hercules (railroad engine) Mammoth Cave National Park; National Park Service

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Circa 1940

Officer in Harbor Entrance Control Post radio room, Fort Moultrie, South Carolina National Park Service HECP Radio Room; 6B; NOV81A3 9.

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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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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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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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Proposed WSEL radio substation house Blue Ridge Parkway Locat. Map - Prop WSEL Radio Substa. House,98+35, Virginia, Section 1J.

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1948-04-22

Proposed radio substation house location map Blue Ridge Parkway Virginia, Section 1D.

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1948-04-22

Radio Substation plan Blue Ridge Parkway Radio Substation - Sta 98+00+C95, Virginia, Section 1E.

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1948-12-14

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

Radio relay site at Frying Pan Tunnel, Blue Ridge Parkway, North Carolina Blue Ridge Parkway Radio Relay Site - Frying Pan Tunnel, North Carolina Section 2U.

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1963-02-07

Radio repeater under observation tower, Look Rock, Tennessee, Circa 1970 Great Smoky Mountains National Park Radio repeater building under tower,Look Rock Observation Tower; Construction, II-B-(4)-LR-15557, Physical Facilities - Buildings - Visitor use buildings - Look Rock tower

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Circa 1970

Radio substation house Blue Ridge Parkway Virginia, Section 1M.

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1947-11-04

Radio substation house Blue Ridge Parkway Radio Substation House, Sta 142+80, JR Maint. Area, Virginia, Section 1H.

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1947-10-30

Radio substation house Blue Ridge Parkway Radio Substa. House - Apple Orchard Mtn, Sta 98+35, Virginia, Section 1J.

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1947-11-07

Radio substation house Blue Ridge Parkway Radio Substatiion House - Poor Mtn.,, Virginia, Section 1N.

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1948-03-25

Radio substation house Blue Ridge Parkway Radio SubStation House - Mill Mtn., Virginia, Section 1M.

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1947-11-03

Radio substation house and its location plan, Gillespie Gap, Section 2L, Blue Ridge Parkway, North Carolina Blue Ridge Parkway Radio Substation House - Gillespie Gap, North Carolina Section 2L.

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1947-10-20

Radio substation house floor plan and elevations Blue Ridge Parkway Virginia, Section 1D.

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1947-11-17

Radio substation house, Blue Ridge Parkway, North Carolina Blue Ridge Parkway Revised, North Carolina Section 2N.

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Radio system generator building, Forney Creek road, North Carolina Great Smoky Mountains National Park Radio system Generator Building off Forney Creek Road.Radio System, II-B-(1)-16711, Physical Facilities - Buildings - Administrative buildings (ranger stations and outbuildings; warden stations; fire towers; checking stations; Geological Survey gauging stations; possession cabin

1968-11-13

Radio tower bent by hurricane winds Dry Tortugas National Park; National Park Service Radio tower bent by Hurricane Isabel wind

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1964-10-15

Ranger station and tower flooded Everglades National Park; National Park Service View of damage to Coot Bay Ranger Station with with radio tower looking NW. Location: Coot Bay.

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1948-09-21

Replacing radio antennae at Biscayne National Park, March 1988 Biscayne National Park; National Park Service Radio repair personnel.

1988-03

Seated guide watching a young woman at a Philco radio while people in background eat in Snowball Dining Room Mammoth Cave National Park; National Park Service

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1939-08

Seated guide watching a young woman at a Philco radio while people in background eat in Snowball Dining Room Mammoth Cave National Park; National Park Service

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1939-08

Sergeant H. R. Brown and view of radio room panel, 1943 National Park Service View of back of Radio Room radio panel with builder Sgt. H.R. Brown.

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1943

Transmitter building Blue Ridge Parkway Virginia, Section 1J.

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Two soldiers and radio equipment, Signal Corps workshop, Fort Moultrie, South Carolina National Park Service Two soldiers inside Signal Corps workshop, shows radio equipment.