That particular collection's history is discussed in light of mineralogy itself. Bibliography is missing. A 5 page paper. Mono Lake has been called a geologists paradise. It is a unique region that incorporates 14 different ecological zones, more than 1,000 plant species and at least 400 vertebrate species.
Volcanoes surround the lake.
It is only one of three lakes on the continent that acts as host to productive ecosystems and migrating birds. The writer describes the lake and briefly discusses the political controversies related to the diversion of water to Los Angeles. Bibliography lists 6 sources. There are quite a few natural caves and caverns throughout the country that are as much, if not more so, of a tourist attraction than Natural Bridge Caverns in Texas. This 5 page paper explores the geological and social aspects of this natural wonder.