Yazar
Donald Jenks Belcher
5 cilt bulundu.
Cilt sonuçları
Land use classification with simulated satellite photography
Donald Jenks Belcher · U.S. Dept. of Agriculture, Economic Research Service
27 sayfa · 1971
Aerial photogrammetry / Classification / Land use
The measurement of soil moisture and density by neutron and gamma-ray scattering
Donald Jenks Belcher · Civil Aeronautics Administration, Technical Development and Evaluation Center
20 sayfa · 1950
Soil moisture / Gamma rays / Nuclear counters
The engineering significance of soil patterns
Donald Jenks Belcher · Purdue University, Engineering Experiment Station
598 sayfa · 1944
Kategori yok
A field investigation of low-cost stabilized roads
Donald Jenks Belcher, Purdue University. Engineering Experiment Station, Indiana. State Highway Commission · Purdue university
163 sayfa · 1941
Road materials / Test roads / Pavements