Hancock, Eugene T.
Notes accompanying the lectures on geology applied to mining; a course given at Michigan College of Mines - Lancaster, PA New Era Printing Company 1910 - 210 p. ilus.
GEOLOGIA ECONOMICA
GEOLOGIA MINERA
553/H21
Notes accompanying the lectures on geology applied to mining; a course given at Michigan College of Mines - Lancaster, PA New Era Printing Company 1910 - 210 p. ilus.
GEOLOGIA ECONOMICA
GEOLOGIA MINERA
553/H21