The record behind this sentence

Geologic map unit on the property: Tyee Formation (Tt), Eocene marine sedimentary rocks, about 100% of the land. Marine turbidite sandstone.

The record says

What it says

Geologic map unit on the property: Tyee Formation (Tt), Eocene marine sedimentary rocks, about 100% of the land. Marine turbidite sandstone.
Our reading: worked out from the record, not copied from it.

What the index lists

Tyee Formation

turbidite

Yeats, R.S., Graven, E.P., Werner, K.S., Goldfinger, C., and Popowski, T.A., 1996, Geologic map of the Central and Southern Willamette Valley, Benton, Lane, Linn, Marion, and Polk Counties, Oregon, in Assessing earthquake hazards and reducing risk in the

About

This land

Source

Oregon Department of Geology and Mineral Industries geologic map

Dates

Retrieved Oct 10, 2026

Note

DOGAMI compilation of published maps at many scales; not for legal, engineering or surveying use.

Cite as

Oregon Department of Geology and Mineral Industries, Oregon Geologic Data Compilation release 6 (OGDC-6), compiled by R. L. Smith and W. P. Roe. Online at pubs.er.usgs.gov. Retrieved Oct 10, 2026.

Open at the source That’s wrong