Fabiano, E.B. <br/><br/>
The magnetic charts of the United States for epoch 1975 / 
by E.B. Fabiano, W.J. Jones and N.W. Peddie 
 - Washington, D.C :  United States Government Printing Office,  1979 
 - iii, 15 p. :  ill. ;  28 cm. 
 - Geological survey circular ;  810 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geomagnetism<br/>Gravity--Measurement
<br/><br/><label>Dewey Class. No.: </label>538.7