San Francisco : Architect and Engineer, Inc · leaf 198
e limited, 3 knot holes, halfthe diameter of allowable tight knots, orequivalent smaller knot holes, permitted, basedon I 2 lengths. No. 3 Boards and Sheathing. Will admit thefollowing or their equivalent, if not in seriouscombination: Knots—large loose unsound or decayed. Knot h^oles. Decayed Sap.… … UNITED STATES FOREST SERVICE BUILDING PROGRAM 1933-1936 REGION 5 BLANCHARD & MAHERARCHITECTS FIRM OF SPENCER, BLANCHARD & MAHERL. GLENN HALL LANDSCAPE ARCHITECT BOUNDARY MARKER AT THE outset of the present administra-tion, under the Emergency ConservationAct of 1933, the Forest Service of…
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