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.
There are 16 different rangeland types within the United States used for livestock production. These rangeland types differ in forage production and in plant species found in each rangeland, based on the physical characteristics of the area and climate. The Great Plains consist of tallgrass prairie, mixed-grass prairie, and shortgrass prairie, and all three of these prairie types are found in Nebraska (figure 1). Figure 1. Prairie Types of the Great Plains The tallgrass prairie is situated between the eastern deciduous forest and the mixed-grass prairie. The tallgrass prairie has four main grass species, big bluestem, little bluestem, Indiangrass, and switchgrass. This area is known for periodic drought and fire. Historically, fires occurred every 3 to 5 years.