In the 1970s, there was a renewed interest in mining and opening old shafts from the gold boom era. this created a. increased flooding in the surrounding areas b. the reconstruction of old mining towns as tourist attractions c. overcrowding, as an influx of prospectors moved to the area d. a great debate between mining prospectors and conservationists

d. a great debate between mining prospectors and conservationists

d. a great debate between mining prospectors and conservationists.

Explanation: The renewed interest in mining and opening old shafts from the Gold Boom era created a great debate between mining prospectors and conservationists. This debate has gone on for years between large mining companies and environmentalists who claim there is no fair return for the use of federal land, because of the low cost of acquiring the title to land and because no royalties are paid to the government.

they died because of a disease during the first spanish colonies.