B.D. Dillon, Consulting Archaeologist No description specified. 1-2 (2 Records) Documents Cultural Resources Survey and Impact Assessment of the Blue Meadow Timber Harvest Plan: a 276 Acre Parcel in Calaveras County, California. (1991) Cultural Resources Survey and Impact Assessment of the N-31 North Spur 4 Timber Harvest Plan. a 524 Acre Parcel in Calaveras County, California. (1991)