In the north of the State, about six miles from Portland, at a place called Oswego, on the Willamette, very rich deposits of brown hematite iron-ore have been discovered, and have for a few years been worked.
"Two Years in Oregon"
Wallis Nash
hematite shews a red streak when scratched with a knife, which distinguishes it from magnetite.
"Geology"
James Geikie
Ferric salts are a brownish red, as shown in hematite and limonite, and in some bottles.
"An Introduction to Chemical Science"
R.P. Williams