Lassen, NF No description specified. 1-5 (5 Records) Documents Archaeological Survey Strategy, Grays Management Area (1986) Begard Buttes Timber Sale, Lassen National Forest (1987) Cultural Resources Overview, Grays Management Area # 18 (1986) Evaluation of Significance Spaulding Tract Sites CA-Las-587-915 (1983) Fredonyer Timber Sale, Arr #05-06-54 (1975)