...stratification of the rocks. Sometimes, however, they occur as nests, and as short disconnected seams, ranging from a fraction of an inch to a foot or more in thickness, and cutting the rock in all directions, though confined to a certain stratigraphic position...

...stratification of the rocks. Sometimes, however, they occur as nests, and as short disconnected seams, ranging from a fraction of an inch to a foot or more in thickness, and cutting the rock in all directions, though confined to a certain stratigraphic position...

...gray aphanitic amygdaloidal rock, similar to that forming the spheroids below it, and ranging in size from a fraction of an inch to a foot or more in diameter the average size being about three inches. These fragments are imbedded in a rust brown matrix,...

...gray aphanitic amygdaloidal rock, similar to that forming the spheroids below it, and ranging in size from a fraction of an inch to a foot or more, in diameter the average size being about three inches. These fragments are imbedded in a rust brown matrix,...

...constituting a line of demarcation between it and the overlying Galena dolomite. This shale varies from a fraction of an inch to a foot or more in thickness, and, at one place, it was observed to be as much as seven feet thick.* The upper quarter...

...upper loess, 5, are perceptibly sandy. The sandy layers, 4, are slightly undulating, yellow in color, from a fraction of an inch to a foot or more in thickness, thickening outward and downward and growing slightly coarser beneath. The interlaminated...

...from linegrained to a coarse conglomerate, the conglomerate occurring in thin bands or layers, varying from a fraction of an inch to a foot or more in thickness iu the finer grained stone with rarely any line of parting between them. The pebbles are...

...from fluegrained to a coarse conglomerate, the conglomerate occurring in thin bands or layers, varying from a fraction of an inch to a foot or more in thickness in the finer grained stoue with rarely any line of parting between them. The pebbles are...

...however, show that the clay or clay loam subsoil is n>ost usually inlaid by strata of fine saud varying from a fraction of an inch to a foot or more in thickness. While these strata are continuous for only short distances, yet they occur at such frequent...

...however, show that the clay or clay loam subsoil is most usually inlaid by strata of fine sand varying from a fraction of an inch to a foot or more in thickness. While these strata are continuous for only short distances, yet they occur at such frequent...