Geoscience Reference
In-Depth Information
FIGURE 8.1
(See color insert.)
Grinnell.Glacier.from.the.summit.of.Mt..Gould,.Glacier.
NP.. Upper. left. (1938):. Oblique. view. of. Grinnell. Glacier. shows. decreased. glacier. area. and.
reduced.depth.of.the.glacier.along.the.cirque.wall.where,.prior.to.1938,.the.ice-surface.ele-
vation. was. high. enough. to. connect. with. the. upper. band. of. ice. (T.J.. Hileman,. Glacier. NP.
archives)..Upper.right.(1981):.(C..Key,.U.S..Geological.Survey.[USGS])..Lower.left.(1998):.
(D..Fagre,.USGS)..Lower.right.(2006):.(K..Holzer,.USGS).
