Answer:
Rivers were dammed or became clogged with sediment, forests were logged to provide needed timber, and the land was torn up all in pursuit of gold.
Step-by-step explanation:
he Gold Rush, positive for California in so many ways, had a devastating effect on the state's environment. Many of these problems were directly related to gold-mining technology. The process of hydraulic mining, which became popular in the 1850s, caused irreparable environmental destruction.