PHOTO INTERPRETATION IN EARTH SCIENCE 
De Blieux, C., and Shepherd, G. F., Photogeologic Study in Kent County, Texas: Oil & Gas Jour., 
July 12, 1951, pp. 86, 88, 98-100. 
Laylander, P. A., How Colored Aerial Photographs Make Newest Ore-search Method: Mining 
World, June, 1952, pp. 41-43. 
Zonneveld, J. I. S., The Use of Aerial Photographs in a Tropical Country (Surinam): PHOTO- 
GRAMMETRIC ENGINEERS, vol. 18, Mar., 1952, pp. 144-168. 
Smith, H. T. U., Photo-interpretation in Applied Earth Science: PHOTOGRAMMETRIC ENGINEERS, 
vol. 18, June, 1952, pp. 418-428. 
Schneeberger, W. F.; Aerial Survey and Oil Exploration: PHOTOGRAMMETRIC ENGINEERS, vol. 18, 
Sept., 1952, pp. 753-759.