Frontier Forts and Western Trails Quiz

Moderate climate and ample shade

Plentiful grass and wood resources

Abundance of trees and clear freshwater streams

Lack of sufficient vegetation and increasingly alkaline water (correct)

It turned increasingly alkaline (correct)

It became more abundant

It remained consistent in quality

It became clearer and more potable

City of Rocks and Humboldt River

Forty Mile Desert and Carson Range (correct)

Thousand Springs Creek and Truckee River

Humboldt Sink and Junction Creek