Pacific Southwest Research Station US Dept. of Agriculture, Forest Service. General technical report ; PSW-122 Technical report SYM SEPTEMBER 8, 2023 BY ANONYMOUS Download PDF (2MB) PEIN Date Created Tue, 10/06/2015 - 14:15 PEIN Date Modified Wed, 08/01/2018 - 17:28 Record id 41614 Publication Date 1990