Landslides occur throughout the entire United States, but are more prevalent in certain areas of Hawaii and Alaska and in the Rocky Mountains, Appalachian Mountains and the Pacific Coastal Ranges. Landslides are most lik... More »

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The most common natural causes of landslides include volcanic eruptions, seismic vibrations from earthquakes, erosion beneath banks or cliffs and increases in pore water pressure. Human causes include deforestation, alte... More »

Landslides often have devastating effects on humans. The wall of mud wipes out buildings, covers roads and changes the landscape. The economic cost of landslides in the United States ranges from $1 billion to $2 billion ... More »

The tribal groups of the Pacific Northwest occupied areas as far south as California, east to the Rocky Mountains, north to Alaska, and west to the Pacific Ocean. There were dozens of different individual tribal groups, ... More »

The 50 states that comprise the United States are Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Ma... More »

Celery can be grown in all the states of the United States except Alaska and Hawaii, according to the Old Farmer's Almanac. Because extreme heat and extreme cold prohibit the growth of this long-season crop, these states... More »

The International Fuel Tax Agreement is an agreement among some Canadian provinces and all states in the United States, except Hawaii and Alaska that consolidates the reporting of motor fuel usage by carriers operating i... More »

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