Silongkoyo

HISTORICAL POPULATED PLACE · CALIFORNIA

A historical populated place in Plumas County, California, recorded by the U.S. Geological Survey's Geographic Names Information System.

Location Record

Name: Silongkoyo
Feature Type: Populated Place (historical)
State: California
County: Plumas County
USGS Map: Quincy
Coordinates: 39.9365586, -120.9455096
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GNIS Feature ID: 1701411

Names and historical notes

Recorded by GNIS. Source wording is retained; these notes have not been independently verified by Forgotten America.

GNIS description

Was located at Quincy

GNIS historical note

Maidu settlement

Source editions and recorded citations

Feature ID 1701411. Description/History extract: August 28, 2026. All Names extract: September 30, 2026. Retrieved October 22, 2026. Only populated fields are displayed.

GNIS citation text may identify a source series rather than a specific page. It is reproduced below without implying that its underlying documents were inspected.

Text Smithsonian Institution Smithsonian Institution, Bureau of American Ethnology. Washington, DC: Government Printing Office. Bulletin 30 - Handbook of American Indians North of Mexico, Edited by Frederick Webb Hodge, part 1 published in 1907, part 2 published in 1910. Use either code US-T142/B30/PT1/1907/p# or US-T142/B30/PT2/1910/p#.

GNIS source datasets and documentation

Source: U.S. Geological Survey Geographic Names Information System (GNIS), Historical Features.