Columbia University Digital Knowledge Ventures
Columbia American History Online

Main Menu

There are six items indexed to this topic.


The student understands the effects of rapid industrialization on the environment and the emergence of the first conservation movement


Urban Crisis: Fire and Water
Resource Type: E-Seminar

Relevant transcripts:
Tales of Warning

Why the Farmers Revolted
Resource Type: Primary Source
This article appeared in the magazine Forum in 1893, during a time when many American farmers were facing great distress.

Railroad Ad
Resource Type: Primary Source
This Northern Pacific Railroad advertisement appeared in a 1900 issue of Harper's Weekly. The advertisement promotes travel to Yellowstone National Park.

The Frontier in American History
Resource Type: Primary Source
After the 1890 census, the historian Frederick Jackson Turner wrote an essay on the role of the American frontier in shaping the American character.

Reclamation Act / Newlands Act of 1902
Resource Type: Primary Source
The Reclamation Act / Newlands Act of 1902 allowed the government to undertake irrigation projects to establish farms for relief of urban congestion. The bill was named for its author, Francis Griffith Newlands, Democratic Representative from Nevada. The Reclamation Service, created in July 1902, was established a month later and eventually became the Bureau of Reclamation.

Petition for Reservoir Rights
Resource Type: Primary Source
San Francisco petitioned Congress for use of the Hetch Hetchy area of Yosemite National Park for reservoir rights. The petition was presented at the congressional hearing before the Committee on the Public Lands of the House of Representatives.

Refine Browse

Historical thinking 

Discovering primary sources (5) 

Interpreting and analysing (1) 

Resource types 

Video Transcripts (1) 

CAHO is being provided to you for your own use. Any copying or distribution of CAHO materials is prohibited.