It was felt over an area of about 54,000 square miles. The rupture occurred on a 30-mile length of the San Andreas fault called the Santa Cruz Mountains segment. The focus was eleven and a half miles underground at a spot near China Ridge in Nisene Marks State Park. ... It was felt over an area of about 54,000 square miles. ... The focus was eleven and a half miles underground at a spot near China Ridge in Nisene Marks State Park. ...

• Word Count: 1679
• Approx Pages: 7
• Grade Level: High School

A stitched flag, whose star and a grizzly bear's likeness, was raised on the public square in Sonoma. ... over 500,000 square miles of territory, including all of the future states of California, Nevada, and Utah, almost all of New Mexico and Arizona, and parts of Colorado and Wyoming. ...

• Word Count: 2101
• Approx Pages: 8
• Grade Level: High School

Here, 50 miles South of the U.S. border in Mexico's Baja California, the previously great river of the west is nothing more than a shallow, narrow sump of salt and pesticide laced crop runoff. ... The Colorado binds the South West in a 244,000 square mile drainage area (roughly the size of France) and divided the region like nothing else: state vs state, farm vs city, Indian vs white. ...

• Word Count: 1704
• Approx Pages: 7
• Grade Level: High School

Abstract The rush of urbanization throughout the world overlooked the negative aspects forced on the environment and its sensitive nature. Developed countries are making astounding efforts to restore wetlands, national parks, and the precious land left. Restoration efforts across the United States a...

• Word Count: 1853
• Approx Pages: 7
• Has Bibliography
• Grade Level: Undergraduate