Copy of a letter from Mr. Caleb Spurrier, to his correspondent in Cornwall
Copy of a letter from Mr. Caleb Spurrier, to his correspondent in Cornwall
Experimental investigation of ultrahigh vacuum adhesion as related to the lunar surface
Evaluation of hydraulic fluids for use in advanced supersonic aircraft First semiannual report
Problems of Increasing the Reliability of Automatic Mining Equipment
An Approach to the Remote Detection of Earth Resources in Sub-Arid Lands
Fourth Annual Earth Resources Program Review. Volume 3 US Geological Survey Programs
Probleme der Gewinnung mineralischer Rohstoffe aus dem Meer
Research in Advanced Power Systems for Mining Health and Safety
Mineral Resources, Geological Structure and Landform Surveys