Some carpet contractors factor the stairs differently. For example, they might give you an estimate of $1.25 per square foot plus $100 extra for the stairway. Depending on the type of stairway installation and how complex it is, expect estimates of $4-$10 per step.
Appalachians. Appalachians. The Appalachian Mountain Range extends from the island of Newfoundland at the northeast end of the mountain range through most of Americaâs Northeast states and North Georgia to central Alabama at the southwestern end.
Mountains of south-central Alaska that extend from the Alaska Peninsula to the border of the Yukon Territory, Canada. The highest point in North America, Mt. McKinley, 20,320 ft. (6,194 m) is located here.Appalachian Mountains: The Appalachians, about 1,500 miles in length, extend from central Alabama in the U.S. up through the New England states and the Canadian provinces of New Brunswick, Newfoundland and Quebec.Significant Appalachian ranges include: 1  The Cumberland Mts. in Tennessee.ivers: Major rivers of North America. Rocky Mountains: The Rocky Mountains, about 3,000 miles in length, extend from the U.S State of New Mexico up through the western United States and on into the northernmost reaches of Canada's British Columbia.