ILLUSTRATIONS
ILLUSTRATIONS
Close-up of terminal cliff of Talcu Glacier, coast of southeastern Alaska
Distant view of Taku Glacier, which discharges into Taku Inlet
Melt-water stream flowing from beneath Mendenhall Glacier, southeastern Alaska
U.S.S. Joseph E. Merrell moored at a low point in Ross Ice Shelf, Kainan Bay, Antarctica
Distant view of a segment of the Ross Ice Barrier, Antarctica
One of hundreds of Greenland glaciers—west coast near
Thule Navy helicopter passing a Greenland glacier en route to Thule
“Footprints in the sands of time” turned to stone Dinosaur seventy-five and one-half feet long
A Jurassic dinosaur 20 feet long
Pleistocene mammoth ten feet tall
Jupiter in blue light with satellite Ganymede
Saturn with rings most nearly broadside
Saturn in blue light, rings almost edge-on
Jupiter with shadow of satellite on disk, and both satellite and shadow
Two exposures of Jupiter taken 23 minutes apart
Sandstone slab from Agate Quarry, Nebraska, containing mass of rhinoceros bones
Elemental sulphur stored in vats each 1200 feet long, 180 feet wide, 50 feet high
Fossilized dinosaur tracks in Triassic sandstone, Navajo Canyon, Arizona
Dinosaur tracks in sedimentary rocks of hog-back west of Denver
Prehistoric animal tracks, Grand Canyon National Park
Grinnell and Gem Glaciers and Garden Wall, Glacier National Park, Montana
Grand Canyon of the Colorado River
“Granite Gorge” and Colorado River at bottom of Grand Canyon
Great White Throne, Zion Canyon, from Scouts Lookout
Grand Canyon from north rim Grand Canyon of the Colorado, showing horizontalism of rock strata
Successive seams of bituminous coal Brooks Comet