Report of Progress

Cover
Board of Commissioners for the Second Geological Survey, 1881
35 vols. are atlases.
 

Andere Ausgaben - Alle anzeigen

Häufige Begriffe und Wortgruppen

Beliebte Passagen

Seite 25 - Glace, and thus escaped its action — the outlook over the surrounding country, lying from 500' to 1000' beneath, suggests the thought that much of it may have been removed by ice. 2200' AT is the greatest elevation at which I have observed direct evidence of glaciation, either in the shape of morainic debris or striated rock surfaces. All higher summits which I have examined are destitute of Drift deposits. South 20° west (mag.) is the general direction of the scratches, or striae, on the hard...

Bibliografische Informationen