The story
North Bloomfield served the Malakoff mine, the largest hydraulic gold operation on earth — water cannons that ate a mountain into a mile-long pit and sent its mud down the Yuba to bury farms and raise riverbeds as far as San Francisco Bay.
Downstream farmers sued, and in 1884 Judge Lorenzo Sawyer's injunction effectively ended hydraulic mining in the Sierra — often called America's first major environmental ruling. The company town it supported never recovered; today its church, general store, and drugstore stand restored inside Malakoff Diggins State Historic Park, beside the strange painted cliffs of the pit itself.
What remains today
A restored main street (store, church, drugstore, homes), mining machinery, and the vast Malakoff pit with its eroded ochre cliffs.
Questions from the field
- What was the Sawyer Decision?
- The 1884 federal injunction that barred dumping hydraulic mining debris into rivers — it shut down the Malakoff operation and is widely counted as the first major environmental court victory in the U.S.
From the field
The most valuable part of this record is the part only visitors can write.
Stamp your passport
Check in at North Bloomfield — GPS-verified visits earn an inked stamp.
File a field report
Road conditions, what's still standing, what's gone — your report joins the record.
Add photographs
Credited, dated, and preserved as part of North Bloomfield's permanent record.
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Sources consulted
- — USGS GNIS feature 1659246
- — California State Parks — Malakoff Diggins SHP
- — Woodruff v. North Bloomfield Gravel Mining Co. (1884)