The following are descriptions of three types of home-made log turners and accessory deck equipment as amplifications of equipment available from manufacturers of sawmill machinery.
A study was made of the possibility of producing pulp of viscose rayon grade from three Chilean hardwoods, coigue, tepa, and ulmo. Unbleached pulps were made from the three woods by (1) the neutral sulfite semichemical process with and without steam prehydrolysis, (2) a water prehydrolysis-sulfate process, and (3) the...
1. The Indians at Celilo Falls catch an average of over 2,600,000 pounds of fish each year, in dip nets in a manner very much the same as used by their ancestors. 2. The bulk of the fish caught at Celilo Falls is from the upriver fall run of chinook...
This report is one of a series issued in cooperation with the Air Force-Navy-Civil Subcommittee on Aircraft Design Criteria under the supervision of the Aircraft Committee of the Munitions Board. Information reviewed and reaffirmed August 1958. Original report dated May 1952.
Supplementary mathematical analysis and comparison with the results of tests. This report is one of a series issued in cooperation with the Army-Navy-Civil Committee on Aircraft Design Criteria under the supervision of the Aeronautical Board.
An investigation of the fishes of the Willamette River and three of its larger tributaries was made during July, August, September, and November of 1951, to ascertain the possibility of using them as bio-indices of pollution. Thirteen stations were established on the Willamette River and tributaries. These stations were selected...
Information reviewed and reaffirmed, 1958. This report is one of a series issued in Cooperation with the Army-Navy-Civil Committee on Aircraft Design Criteria under the supervision of the Aeronautical Board.