Comparative study of magnetic surveys of Worcester County, Md. made on the ground and from airplane observations
By: by Hugo E. Kuehn and Guy E. Dent
Contributors: Dent, Guy E., author
Series: Report of investigations / Bureau of Mines -- 4070; Report of investigations (United States. Bureau of Mines) -- 4070
Publisher: U.S. Bureau of Mines
Published: 1947
Place of publication: Washington]
Language: eng
Number of pages: 23
Subjects: Geomagnetism