Barking Frog
Kings Mountain National Military Park
5. Barking Frog Hyla gratiosa Photo by A.A. Allen Cornell University
Close up of scattered bark and pine straw
Everglades National Park; National Park Service
Forestry, showing satisfactory healing on 28 inch white oak, 1938
Mammoth Cave National Park; National Park Service
Trees with spotted bark in forest, Marks Creek, Tennessee
Great Smoky Mountains National Park
Marks Creek
Forestry, an untreated frost-crack on tree, roadside to park residence, 1938
Mammoth Cave National Park; National Park Service
Close view of Buckeye bark, partially covered with snow, 1940
Great Smoky Mountains National Park
Close-up of buckeye bark. Buckeye, Bark, I-F-Tree-1056, Natural Features - Flora - Trees.
1940-01-24
Bark tracing, or open cavity treatment, showing swing board saddlein safety rope, 1938
Mammoth Cave National Park; National Park Service
Forestry, healing of two or three years old on 6 inch post oaktracing, 1938
Mammoth Cave National Park; National Park Service
Enrollee drilling into new telephone pole while another enrollee removes bark from pole
Mammoth Cave National Park; National Park Service
An example of healing over a bark tracing, tree No. 70, Mammoth Cave Arch, 1938
Mammoth Cave National Park; National Park Service
An example of healing over a bark tracing, tree No. 70, Mammoth Cave Arch, 1938
Mammoth Cave National Park; National Park Service
Bark tracing on tree No. 42 on Mammoth Cave Hotel and cabin group No. 1, 1938
Mammoth Cave National Park; National Park Service
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