4A 11a In B of stream above the Northern Gate By at about N 30 elevation are three joints filled with galate. They cut the bed of the stream in a N and S direction. a This calcite dyke(?) is about 2" thick in thickness that can be seen (the post in middle of stream is on top) of water and covered with gravel). 24" extends from one side of the stream to the other. N. 16 to E. b Fourteen feet N. 10 a about 12" in extent, in bed of stream line then 5" thick with a few fine lines parallel to that road. N. 16 to E. c There is a gorge less than 4" spurs, roughly parallel running from a rift judged for a calcite as N. 10 while the galate as N. 25 to E. This is about 4' thick? At Box 75 (above box A) are some 10 or 12 cracks filled with galate. They are exposed on both banks of the stream and their direction is N. 18 to S. 28 to E. A striking feature with the joints of this great big stream as they all are mostly N and S joints very few E and W measurements. The N and S joint vary from 18 to 25 to E. And the E and W At 78 elevation and about 15 yards below main ridge on Big Stream the silicified phenomenon occurs in the south wall of gorge. Practically Horizontal 30' 10' 40" N. Sept 1 - 1984 Aceton Falls joints N. 25 to E. 16 to E. E. 15 N. 51