Donnelly, Ignatius, 1831-1901 · New York, D. Appleton and Company · leaf 18
an attempt toremove it from their path. Hard rocks are more or lesseasily assailable with gunpowder, and the numerous jointsand fissures by which they are traversed enable the work-men to wedge them out often in considerable lumps. Buttill has neither crack nor joint ; it will not blast, and topick… … Till overlaid with Bowlder-Clat, Eiveb Stinchae.r, Eock; ^, Till; g^ Bowldcr-Olay ; x, Fine Gravel, etc. The accompanying cut shows the manner in which itis distributed, and its relations to the other deposits ofthe Drift. In this till or hard-pan are found some strangeand characteristic stones.…
Atlantis (Legendary place) · Drift · Comets
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