Page 25 - Studio International - April 1974

e. split mound (mounds in
nature)

a. crater or lake bed In the case of craters (photo) such forms are caused
6. inverted mounds
by high speed impact of large dense masses upon
a surface having a degree of resilience. Related
indentations are to be found on lake beds where
curvature was formed through erosion. Meteor crater, Arizona
a. non-integrative inverted mound 7. some mound These forms relate to mounds due to their reliance
variations upon the horizontal and 'or their curvature. Includes:
non-integrative-inverted mounds (bowls, 7a); stilted
mounds, domes on drums such as Pantheon or
observatory, (7b) (photo), silo (see p. 165) mushroom
(7c) (photo), elevated storage chamber (on stem with
curved base, 7d) (photo); half-cylinder (mail box
b. mound on drum and quonset hut, 7e) (seep. 165); cones or drums used
for storage or symbol (obelisk, 7f).

c. mushroom Observatory, Mount Palomar, California

d. elevated storage chamber

Mushrooms, Macomb, Illinois

e. half-cylinder

Storage chamber, Kansas
f. cone on drum

Storage tank, Iowa
171