The Encyclopedia Americana, Volume 7Grolier, 1995 - Encyclopedias and dictionaries |
From inside the book
Results 1-3 of 83
Page 620
As the population of the world has increased , and with it man's capabilities for exploiting and changing the environment , conservation has become increasingly necessary . Unless man plans for the future and ends practices that harm ...
As the population of the world has increased , and with it man's capabilities for exploiting and changing the environment , conservation has become increasingly necessary . Unless man plans for the future and ends practices that harm ...
Page 635
As early as the mid - 19th century , writers warned of overfishing resulting from the increased use of trawling , which was then a new harvesting technique . Although the depletion of fisheries has been offset to some extent by improved ...
As early as the mid - 19th century , writers warned of overfishing resulting from the increased use of trawling , which was then a new harvesting technique . Although the depletion of fisheries has been offset to some extent by improved ...
Page 764
From 1850 to 1880 production of Michigan copper - known as lake copper - increased fortyfold . Lake copper , marketed by the Calumet and Hecla companies , was priced low because of the low production costs made possible by the high ...
From 1850 to 1880 production of Michigan copper - known as lake copper - increased fortyfold . Lake copper , marketed by the Calumet and Hecla companies , was priced low because of the low production costs made possible by the high ...
What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Common terms and phrases
American appear authority became become began born Britain British called cause central century civil Clay Cleveland cloud coal Coast coins collective College colonies color Colorado common Communist completed continued courts dependencies died early East economic effect elected England English established example followed forces France French House important increased Indian industry institutions Italy John known land later light living lower major means ment miles moved natural North operation organization original party period person plant political Population president Press produced range region remained result River rule served social society South temperature term tion trade Union United University usually West western World York
Bibliographic information
| Title | The Encyclopedia Americana, Volume 7 The Encyclopedia Americana, Grolier Incorporated, ISBN 0717201260, 9780717201266 |
| Contributor | Grolier Incorporated |
| Publisher | Grolier, 1995 |
| ISBN | 0717201260, 9780717201266 |
| Export Citation | BiBTeX EndNote RefMan |