KP-2402-R2 - CLEAR LAKE - Klamath Project. Soil sampling procedure. Veimeir soil sampling tube, about 1 1/8" in diameter being driven into soil on bottom of Clear Lake. The tube is inside 3" pipe which has been...

KP-2394-R2 - Klamath Project--CLEAR LAKE RESERVOIR. Samples are obtained by driving 3" pipe, shown in center of raft, into lake bottom and inserting soil sampling tube inside this pipe; June 11, 1957; Photo by...

KP-2403-R2 - CLEAR LAKE - Klamath Project. Lifting and unscrewing sections of Vehmeir tube; October 16, 1957; Photo by K. J. Greene

KP-2406-R2 - CLEAR LAKE - Klamath Project. Dave Bunger is sighting two buoys with a sextant. At least 3 located points are used for a fix on the map; October 16, 1957; Photo by K. J. Greene