Death camps and work camps I think
Oil shale
It was discovered in the region in the 1970s. it spurred economic growth in the neighboring areas of Colorado. however major a discovery it was, the industry declined leading to copper, silver and gold being the most important mineral resource in the Rockies mountain.
The correct answer is:
the cost of the bike path
The cost of a five-foot bicycle lane can range from approximately $ 5,000 to $ 535,000 per mile, with an average cost around $ 130,000. The costs can vary greatly due to differences in project specifications and the scale and length of the treatment. For this reason it is of vital importance to know the cost of the bike lane, because being a busy road the cost could rise.
If your talking about before the revolution here is ur answer just look at the picture attached to this