Estimate and compare construction costs for different years in the same city. To estimate the national average construction cost of a building in 1970, knowing that it cost $900,000 in 2016: INDEX in 1970 = 28.7. INDEX in 2016 = 207.2. Note: The city cost indexes for Canada can be used to convert.
The four types of landforms are: Mountains, Plains, Plateaus and  Valleys. These types of landforms can be found in any part of the  world. Landforms also have different ide â¦ ntifying characteristics. Answered.
The states were grouped into regions that share similar characteristics. However, there are some areas in each region that different from each other because our country is made up of many different landforms, a natural feature on our Earth's surface.For example, in the West we see mountains, fertile valleys, shining lakes, and islands. There are many different types of landforms. The Appalachian Mountains begin to flatten towards the east and form into the Atlantic Coastal Plain. 2  To the west, there are plains leading into the Gulf of Mexico from Louisiana and Mississippi. 3  You can also find the Mississippi Rivers and Red Rivers flowing through the region.