Private lands upstream make up 55 percent, 90 percent of which is owned by eight landowners, Green Diamond Company being the largest. Since the 19th Century significant portions of the watershed have been extensively logged, some of which was clear cut as recently as the 1970s when commercial logging and milling operations hurried to cut as much as possible on the eve of expansion of Redwood National Park.
Private lands upstream constitute a large share (55 percent), with 90 percent owned by eight landowners, Green Diamond Company being the largest. Since the 19th century, significant portions of the watershed have been logged extensively; some areas were clear-cut as recently as the 1970s when commercial logging and milling operations hurried to cut before Redwood National Park's expansion.