Topaz
A historical populated place in Bannock County, Idaho, recorded by the U.S. Geological Survey's Geographic Names Information System.
Location Record
Names and historical notes
Recorded by GNIS. Source wording is retained; these notes have not been independently verified by Forgotten America.
GNIS description
In the E part of the county on Portneuf River. A Mormon settlement named for a local formation resembling topaz in color.
Source editions and recorded citations
Feature ID 399264. 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 Canal names entered into the NHD and GNIS by the Idaho Department of Water Resources. The name of the individual canal company follows:
Source: U.S. Geological Survey Geographic Names Information System (GNIS), Historical Features.