Hole: Cajon Pass Federal 2-26

Location: Cajon Junction, San Bernardino Mountains, California

1144 ft S and 1982 ft E from NW corner of Sec. 26, Twp. 3N, Rge. 6W

Logging dates:

Upper Section: February 11, 1987 (DLL/MSFL/GR), February 12, 1987 (LDT/CNTG/NGT, ACT/GST/NGT), February 13, 1987 (SDT/GR logs), February 14, 1987 (FMS/GPIT/NGT)

Lower section: March 15, 1988 (DLL/MSFL/GR), March 16, 1988 (SDT/GR, LDT/CNT/NGT, ACT/GST/NGT), March 18, 1988 (FMS/GPIT/NGT) April 6, 1988 (Borehole Geometry with Inclinometry)

Elevation (kelly bushing):1009.2 m (3311 ft)

Elevation (ground level): 994.5 m (3279 ft)

Casing: 13 3/8 in at 250.5 m (822 ft)

Casing: 9 5/8 in at 1828.8 m (6000 ft)

Lithologies: sandstone, granodiorite, granite, gneiss.