Subject ASC0003t2w
The geological magazine, or, Monthly journal of geology.
Decade 3:v.1 (1884), Page 159 (1884)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32520052
Keywords
graphical methods field-geology Graphical Methods in Field-Geology Mr. Alfred Harker Mr. Alfred Harker's paper on graphical methods in field-geology geology mathematical