Peck, William G. (William Guy), 1820-1892 · New York, Chicago, A. S. Barnes & company · leaf 138
The diameter of the en-closed area is more than 50 miles. Rising from the enclosed plain are 5 or 6 peaks,one of which is nearly half a mile in height. 103. In some parts of the lunar surface vast cracks orfissures exist, which may be traced to a considerable distancefrom their apparent origin.… … Fissures near Triesnecker, 134 ASTRONOMY. Another example of these cracks, or faults, is shown inFig. 59, which represents an ideal view of the peak namedPico, situated nearly south of Plato in the Mare Imbrium.
Astronomy
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