Present Status Of Photo Interpretation — Dr. H. T. U. Smith — U.S.A.
Highway And Railroad Engineering — Mr. W. H. Simonson — U.S.A.
Airfield Engineering — Mr. Max Elias, — U.S.A.
Forestry Engineering — Prof. S. H. Spurr — U.S.A.
Petroleum, Geology And Engineering — Mr. R. L. Anderson — U.S.A.
Mining And Engineering Geology — Mr. H. L. Cameron — Canada.
Dip Calculation On Air Photos — Mr. D. H. Elliott — U.S.A.
The O.D.S., A New Interpretation Stereoscope — Prof. R. Roelofs — Nether
lands.
Second Session, Tuesday, 9 September, 1952 9.00—12.00
Section on: Aerial Photography Interpretation In Natural Resource Inventories.
Introduction Of Section Chairman, Mr. Kenneth Bradshaw — U.S.A. — Lt.
Commdr. Robert N. Colwell.
Photo Interpretation In Forest Inventories — Mr. Karl E. Moessner — U.S.A.
Aerial Photo Interpretation In Water And Snow Inventories — Mr. William
Hall — Canada.
Interpretation Of Aerial Photographs For Range And Agricultural Inventories
— Mr. Thomas Lommasson and Mr. Cullen E. Waldo — U.S.A.
Aerial Photo Interpretation in Soils And Minerals Inventories — Mr. Donald
J. Belcher — U.S.A.
Aerial Photo Use And Interpretation In The Fields Of Wildlife And Recreation
— Dr. Daniel L. Leedy — U.S.A.
Third Session, Thursday, 11 September, 1952 2.35—5.15
Section on: Military Photo Interpretation.
Introduction Of Section Chairman, Captain Ragnar Thoren — Sweden — Lt.
Commdr. Robert N. Colwell.
Long Distance Photography In Ground Reconnaissance And The Possibilities
It Gives For Photo Interpretation — Captain Ragnar Thoren — Sweden.
Ground Photo Reconnaissance and Interpretation — Maj. B. von Vegesak —
Sweden.
Photo Interpretation For Amphibious Operations — Mr. Charles G. Coleman
and Mr. W. B. Cubby — U.S.A.
The Development Of Military Air Photo-Interpretation —■ Mr. fohn H. Ros-
coe — U.S.A.
Close Support Photo Intelligence For Ground Forces — Mr. Ellis L. Rabben
— U.S.A.
The Military Problem Of Vegetation And Terrain Analysis By Airphoto Inter
pretation — Mr. Page E. Truesaell — U.S.A.
