61.06 USBR HS2498 [NOT MI 61.06] 37 12 09.1 121 04 06.1 About 7 mi southwest of Gustine. From I-5 and Sullivan Rd/Hwy 140, exit on Sullivan Rd and drive east on Sullivan Rd for about 1.2 mi to Orchard Rd. Turn right and drive 3.0 mi south on Orchard to Snyder Rd. Turn right, west, on Snyder, which is very slightly offset to the south relative to eastbound Snyder, and bear right to the eastern canal road of the Delta Mendota Canal, and the mark on right, parking on the northeast levee road.