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.
When the park was surveyed in 1971 and 1974, fourteen major vegetation types or subtypes were identified on Fire Island. These included the beach grass grasslands, beach heather and bearberry dwarf scrubs, thickets, pitch pine woodland, broadleaf forest, and a variety of wetlands and salt marsh.