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~s Field Methods The cultural resource inventory covered roughly one-half acre around each of the six proposed drill sites, approximately 700 feet of 50 foot wide corridor for access construction (ca. 1.5 acres), and approximately 3,000 feet along existing trails that may require minor improvement for access. The latter minor improvements may include cutting back overhanging branches, or expedient filling or drainage improvement at poorly drained muddy stretches. The basic approach to the proposed drill sites was to cover an area within a 100 foot (30 m) radius around the staked drill location, but actual area surveyed varied somewhat in response to local conditions. Given the general ruggedness of the terrain, the entire landform practical for drilling activities around each staked location, up to about 200 feet from the staked location, was inspected for potential cultural resources. This included all reasonably level ground around the drill site and excluded dense stands of trees or brush. Inventory was completed by a single investigator walking zig- zag pedestrian transects spaced no more than five meters apart. The ground surface was inspected for any indications of cultural materials or features, and particular attention was given to areas of potential deposition and areas of enhanced surface visibility such as road cuts, erosion cuts, blow-outs, game trails and animal burrows. MAC's recording standards do not include the documentation of modern • (post-war) debris, particularly beverage and food containers and discarded vehicle parts along roadways. Minimal standards for prehistoric or historic sites are the presence of features such as hearths or structures, at least six cultural items within a 30 m diameter area, or conditions of deposition or visibility which indicate the likelihood of additional cultural materials. Cultural items not meeting these minimal standards and pre-1945 in age are recorded as isolated finds. Proposed drill sites JMB-4, JMB-6 and JMB-8 are adjacent to existing roads along the principle ridge line of Jumbo Mountain. Vegetation in these locations is characterized by small, scattered stands of scrub oak and serviceberry with an open understory of grasses and forbs. Potential Holocene deposition is uniformly shallow (<10 cm) with numerous angular pebbles or exposures of sandstone and shale. Location JMB-4 is situated on a bench-like flat east of a local high point of the ridge. The entire flat area, approximately 200 feet east-west by 150 feet north-south, was inspected for evidence of cultural resources. Location JMB-8 is about three-quarters of a mile to the west-southwest at the east end of a high saddle. An area of open vegetation approximately 150 feet square and including a segment of abandoned road was inspected. Location JMB-6 is approximately one-half mile west- northwest at a T-intersection of the existing roads. The location is in a broad saddle at the southeast foot of the final high point of the ridge line. Stands of serviceberry and scrub oak were relatively thick and tall at this location and the understory contained thicker growths of tall forbs, but visibility was still good. An irregular area of approximately one-half acre including and northwest of the road intersection was inspected. . The other three locations (JMB-3, JMB-5 and. JMB-7) are on the north side of Jumbo Mountain. Locations JMB-3 and JMB-5 are at the ends of descending