The Technical World Magazine, Volume 11Technical World Company, 1909 |
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Page 6
... miles through one of these burned - over districts and need no imagination to feel himself continuously in the close - lying suburbs of Hell . Every year in the United States more than fifty million acres of forest are burned - more ...
... miles through one of these burned - over districts and need no imagination to feel himself continuously in the close - lying suburbs of Hell . Every year in the United States more than fifty million acres of forest are burned - more ...
Page 10
... - fifth of all the forests worked have been killed and ruined by careless and reckless handling . In Wisconsin and other North- ern states one may row for miles between T HILLSIDES COVERED WITH TIMBER ARE PROTECTED FROM RAIN WASH. 10.
... - fifth of all the forests worked have been killed and ruined by careless and reckless handling . In Wisconsin and other North- ern states one may row for miles between T HILLSIDES COVERED WITH TIMBER ARE PROTECTED FROM RAIN WASH. 10.
Page 12
... miles of what is now fertile farming land will be cut up into ditches and ridges and rendered absolutely useless ... miles of fertile soil had been absolutely washed away and destroyed by floods as the result of the uncontrolled cutting ...
... miles of what is now fertile farming land will be cut up into ditches and ridges and rendered absolutely useless ... miles of fertile soil had been absolutely washed away and destroyed by floods as the result of the uncontrolled cutting ...
Page 19
... miles long , and 318 miles in dis- tance saved . In 1907 , 18,000,000 tons of freight went to Boston by water from the south , the amount being four times what would have gone through the Panama Canal during the same year had it been ...
... miles long , and 318 miles in dis- tance saved . In 1907 , 18,000,000 tons of freight went to Boston by water from the south , the amount being four times what would have gone through the Panama Canal during the same year had it been ...
Page 20
... miles supplies the link to the Delaware River above Philadelphia , while fourteen miles of canal will connect Delaware Bay and Chesapeake Bay . Back of Hatteras the problem is simple . In none of these links are there engineering diffi ...
... miles supplies the link to the Delaware River above Philadelphia , while fourteen miles of canal will connect Delaware Bay and Chesapeake Bay . Back of Hatteras the problem is simple . In none of these links are there engineering diffi ...
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