GVII-28
PHOTOGRAMMETRIC ENGINEERING
Types and scale of photography: Primarily 1:20,000 vertical 8J" photography.
Also some 1:35,000 vertical 5.2" and 1:32,000 four-lens, vertical 4" photog
raphy. All photography is black and white
PI instruments used: Stereoscopes, stereometers, Kail plotter
Types of information furnished: Detailed information on correlation of thin
beds within the Green River and Uinta formations. Terrain profiles
Title: Iso pack map, Monument Valley, Utah, U. S. A. (production)
General description: Detailed study and measurement of stratigraphic inter
vals to permit isopachous map compilations
Dates: Begun—1953, to be completed by 1957
Area: 1,500 square miles
Types and scales of photography: 1:20,000-scale vertical 6" photography,
black and white
PI instruments used: Stereoscopes, stereometer, Kelsh plotter (primarily the
latter)
Types of information furnished: Isopachous maps showing swales and chan
nels, some of which are known to be mineralized in a certain formation
Title: Kuparuk-Aufeis area, Alaska (production)
General description: Photogeologic mapping of area between two field-mapped
areas, gently folded sedimentary terrain
Dates: Begun 1954. To be completed 1956
Area: 600 square miles
Types and scale of photography: 1:10,000-scale vertical, 6". 1:40,000-scale,
trimetrogon 6", high angle obliques 24", both black and white and Koda-
color
PI instruments used: Stereoscope, Super Duper Dipper
Types of information furnished: Structural and stratigraphic
Title: Permafrost studies in Alaska
General description: Field studies, supplemented by photo interpretation
aimed at increased knowledge of the distribution and characteristics of
permafrost and the means of determining these from aerial photography
Dates: 1954 to present. Continuing project
Area: Selected photographs from various parts of Alaska
Types and scale of photography: Mostly verticals at scale of 1:20,000 and
1:40,000, also low-level obliques
PI instruments used: Stereoscope
Types of information furnished: Distribution of bedrock and surficial deposits
Title: Military Geology, Pagan Island, Northern Marianas (Pacific Ocean)
General description: Photogeologic mapping and field mapping of geology
and vegetation of Pagan Island
Dates: June—1954 to present. Report writing nearly completed
Area: Vertical coverage, 16 square miles
Types and scale of photography: Vertical, 1:20,000
PI instruments used: Kelsh plotter
Types of information furnished: Report
Title: Evaluation of color photography in geologic study {research)
General description: Office and field evaluation of vertical color photographs
of selected areas in California and Nevada (U.S.A.)
Dates: Begun 1955. This is a continuing project
