The General Geology of the North Santiam River Section of the Oregon Cascades. The Stratigraphy and Paleontology of the Salem Hills, Oregon
<p>The general geology of the north Santiam River section of the Oregon Cascades:</p> <p>The district discussed in this paper is located in North-western Oregon, about fifty-miles south of the Columbia River. The section investigated extends eastward from the Willamette River a...