Oliver Matthews, who was born on March 24, 1892, was a classic nineteenth-century botanizer who was fanatically devoted to the study of Oregon's trees. The …

Oregon Encyclopedia

In the late nineteenth century, Portland's City Park (soon to be named Washington Park) offered visitors grand views of the "emerald compass," the mountains …

Oregon Encyclopedia

During the formative years of neuroanatomy in the first half of the twentieth century, Olof Larsell was instrumental in developing a coherent nomenclature for the …

Oregon Encyclopedia

One Flew Over the Cuckoo’s Nest, a film based on the 1962 book by Oregon writer Ken Kesey, is regarded as one of …

Oregon Encyclopedia

Ontario, the largest city in Malheur County, is on the Snake River near the Oregon state line. As the first city that people encounter when …

Oregon Encyclopedia

Ooligan Press is a student-run teaching press affiliated with Portland State University (PSU) and its College of Liberal Arts & Sciences. Founded in 2001 by …

Oregon Encyclopedia

In March 1920, the Atlantic Monthly ran the first of six excerpts from the diary of Opal Whiteley, apparently written when she was six or …

Oregon Encyclopedia

Operation Red Hat was the label the American military applied broadly to its program to better secure the nation’s chemical weapons, including nerve gas, by …

Oregon Encyclopedia

The wolf named OR4 was the father of the first successful breeding pack in Oregon for many decades. The object of intense scrutiny from wildlife …

Oregon Encyclopedia

The Oregon-American Lumber Company (1917-1934) and its successors—the Oregon-American Lumber Corporation (1934-1953), the Long-Bell Lumber Company (1953-1956), and the International Lumber Company (1956-1957)—operated from the …

Oregon Encyclopedia