Forestry, close up showing taking of soil for testing with the Edward simplex soil test outfit, 1938
Mammoth Cave National Park; National Park Service
Forestry, close up showing taking of soil for testing with the Edward simplex soil test outfit, 1938
Mammoth Cave National Park; National Park Service
Enrollee Cartmell using Edwards simplex soil test outfit on samples taken for diagnosis in the tree preservation program, 1938
Mammoth Cave National Park; National Park Service
Soil sample Stat. B. 2 paces to right (east) of rock near crest of ridge. Andrews Bald, 1936
Great Smoky Mountains National Park
Soil sample Stat. B. 2 paces to right (east) of rock near crest of ridge.Andrews Bald, I-D-AB-4398, Natural Features - Balds - Andrews Bald
1936-09-05
Station A for soil sample sent to Dr. Paul B. Sears, Andrews Bald
Great Smoky Mountains National Park
I-D-AB-2663, Natural Features - Balds - Andrews Bald,Andrews bald, Station A for soil sample sent to Dr. Paul B. Sears.
1936-09
Soil sample Station B two paces to right (east) of rock near crest of ridge, Andrews Bald
Great Smoky Mountains National Park
I-D-AB-2664, Natural Features - Balds - Andrews Bald,Andrews bald, Soil sample Station B two paces to right (east) of rock near crest of ridge.
1936-09-05
