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Title
General reports

Reprinted from
PHOTOGRAMMETRIC ENGINEERING
March
1956
Report of Commission VII (Photo
graphic Interpretation) to the Inter
national Society of Photo gramme try
Charles G. Coleman, President, Commission VII
U. S. Naval Photo Interpretation Center
AND
earl j. Rogers, Secretary, Commission VII
U. S. Forest Service
INTRODUCTION
R eviewing, organizing and compiling information on all phases of photo
interpretation over the past four years is a tremendous task. This report, as
an attempt to accomplish this task, is far from complete. At best, it represents
only a cross section of such information on photographic interpretation activities
as was available to the compilers.
Information presented in this report was largely contributed by the various
national reporters and their sub-reporters. In addition, free use was made of
data from some of the excellent recently published papers reflecting photo
graphic interpretation progress.
The material is in four major sections: General, Natural Resources Applica
tions, Engineering Applications and Military Applications. This organization
follows the suggestion made in the 1952 Resolutions of Commission VII.
Under the general section is discussed the new developments in material
which have led generally to the improvement and accuracy of photo inter
pretation. Another part deals with equipment developments that have im
proved photo interpretation. Personnel and training are briefly reviewed. In
order not to duplicate the work of the Commission on Education, only a brief
treatment of training is included, with emphasis on its effects on the photo
graphic interpretation picture as a whole. Another part of this section covers the
research and deals with the projects and developments that have taken place
during the past four years. A short final portion contains information on the
photographic interpretation manual being prepared by the American Society
of Photogrammetry and in addition several other reference publications of
interest.
The section on natural resources has been divided, for convenience, into two
general topics: (1) geology and (2) forestry and land use. The geologic part of this
section points out the great increase in the number of geologic mapping and
prospecting projects in which photographic interpretation is a vital factor. The
part dealing with forestry and land use seems to indicate that photographic
interpretation is making tremendous strides in all phases of forestry, agricul
ture, and other related fields which deal with interpreting the earth’s surface.
The section on engineering covers the use of aerial photos in mapping, rail
road and highway engineering, urban planning and other engineering uses.
The fourth section covers the field of military intelligence. While national
security prevents a complete progress report being made by any of the report-