Subject ASC0003sz9
The geological magazine, or, Monthly journal of geology.
Decade 2:v.9 (1882), Page 116 (1882)
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
BHL Page 32520645
Keywords
geology cross section crosscut landscape soil strata hill granite brambles debris rock sandstone section geography wales twt-hill Twt Hill conglomerate Prof. Hughes Ground Plan geological strata Twt hill conglomerate