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REPORT OF COMMISSION VII 51
tion by means of air photos, as referred to in a previous section of this paper,
have been found very helpful in appraising the suitability of particular areas
for various engineering operations.
In agricultural engineering, the utilization of air photos in land management
and erosion control is now well established, and general practices are reviewed
in recent papers by Magruder (1949) and Henriques (1949). Similar data for
other countries are included in an admirably illustrated treatise by Sisam (1947).
SUMMARY
In summary, it may be said that photo-interpretation procedures have
reached a position of considerable prominence in the various fields of basic earth
science, and in the various practical applications arising therefrom. In some
fields progress has been more rapid than others, but in nearly all there 1s op-
portunity for much future development. The effective use of photos makes for
greater speed, economy, accuracy, and completeness in surveying the physical
phenomena of the earth’s surface, and thus contributes measurably to our
material and intellectual progress.
SELECTED BIBIOGRAPHY
1920. Brooks, A. H., “The Use of Geology on the Western Front," U. S. Geol. Surv. Prof. Paper
128-D, pp. 110.
1921. Johnson, Douglas, ‘‘Aerial Observation of Physiographic Features,” Science, vol. 54, pp.
435-436.
Willis, Bailey, “Aerial Observation of Earthquake Rifts,” Science, vol. 54, pp. 266-268.
1922. Lee, W. T., “The Face of the Earth as Seen from the Air,” Amer. Geog. Soc. Spec. Pub. No.
12, 159 pp.
1928. Bourne, R., “Aerial Survey in Relation to the Economic Development of New Countries
(with special references to an investigation carried out in northern Rhodesia)," Oxford
Forestry Memoirs, No. 9.
Rich, J. L., “Jointing in Limestones as Seen from the Air," Amer. Assoc. Petrol. Geol. Bull.,
vol. 12, pp. 861-862.
1929. Eliel, L. T., “Aerial Photography Proves Its Importance to California Geologists,” Oil Bull.,
Nov. 1. .
Walker, G. L., "Surveying from the Air in Central Africa," Eng. Min. Jour., vol. 127, pp.
49-52.
1931. Gould, L. M., “Some Geographical Results of the Byrd Antarctic Exedition," Geogr. Rev.,
vol. 21, pp. 177-200.
1932. Bretz, J. H., “The Grand Coulee," Amer. Geog. Soc. Spec. Publ. No. 15, 89 pp.
Gill, D., “Aerial Survey in Relation to Economic Geology,” Inst. Min. & Met. Bull. No.
337 (London), pp. 1-56; discussion in Bull. No. 339, pp. 1-31.
Logan, Jack, “Aerial Photography in Geological and Geophysical Work,” Oil Weekly, vol.
64, no. 10, pp. 17-26.
Nichols, D. A., “Solifluction and Other Features in Northern Canada Shown by Photo-
graphs from the Air,” Trans. Roy. Soc. Can., 3rd ser., vol. 26, sect. 4, pp. 267-275.
Weickmann, L., "Beobachtung von Strukturbóden während der Polarfahrt des ‘Graf
Zepplin,'" Juli, 1931: Ber. Sáchs. Akad. d. Wiss., Math.-Phys. Kl., vol. 84, pp. 121-122
(Leipzig).
1933. Melton, F. A., and Schriever, W., “The Carolina ‘Bays'—Are They Meteorite Scars?” Jour.
Geol., vol. 41, pp. 52-66.
1934. Lucke, J. B., “A Study of Barnegat Inlet, N. J., and Related Shoreline Phenomena," Shore
and Beach, vol. 2, pp. 1-54.
Raisz, Erwin, “Rounded Lakes and Lagoons of the Coastal Plains of Massachusetts,”
Jour. Geol., vol. 42, pp. 839-848.
Rich, J. L., “Soil Mottlings and Mounds in Northeastern Texas as Seen from the Air,”
Geogr. Rev., vol. 24, pp. 556-583.
1935. Cooper, W. S., “The History of the Upper Mississippi River in Late Wisconsin and Post-
glacial Time,” Minn. Geol. Surv. Bull. 26.
Gould, L. M., “The Ross Shelf Ice,” Geol. Soc. Amer. Bull., vol. 46, pp. 1367-1394.
Washburn, B., “Morainic Bandings of Malaspina and Other Alaskan Glaciers,” Geol. Soc.
Amer. Bull., vol. 46, pp. 1879-1890.
