Resource Type
Serial/Series Title
NACA Technical Notes
417
NACA Technical Memorandums
380
NACA Technical Reports
359
United States Bureau of Mines Reports
175
NACA Aircraft Circulars
104
United States Geological Survey Reports
98
NACA Special Reports
61
Report of investigations (United States. Bureau of Mines)
36
U.S. Geological Survey bulletin
35
Geological Survey bulletin
27
43 More