Impacts of Mining What are the impacts of mining? To study that
one needs to know first what was mined. Most of the Klondike
Gold Rush deposits were placer deposits essentially, gold
recovered from gravel. What other metals were the Klondike
miners likely to find? Did You Know? Within 6 months of the The
Great Seattle Fire of 1889 over 100 fireproof brick buildings
had been built or were started in the downtown area.