station 168.2 (Butte City) . Samples collected from 7 to 25- 

 foot depths, generally near banks. Sand in midstream, silt and clay near 

 banks. 



Station 1M4-.1 ( Colusa Bridge) . Leveed section. Samples from 

 10 to l8-foot depths. Sand. 



Station JJ-B.l (Wilkins Slough) . Leveed section. Samples from 

 10 to 26-foot depths. Clay to medixan sand. 



Station 90-^ (Above Coliisa Basin Drain) . Leveed Section. Sam- 

 ples from iB to 22-foot depths. Sand in central portion, fine sand and 

 silt near right bank. 



Station 90.2R/0.1 (in Colusa Basin Drain) . Samples from 7 to 

 10-foot depths about 500 feet below dam. Coarse sand and plant debris. 



Stations 88.2 ajid 88.8 (Below Knights Landing) . Leveed section. 

 First two samples from lower station. Samples from 10 to 25-foot depths. 

 Generally sand bottom, some fine sand and silt. 



Station 81.5 (Above Sacramento Slough) . Leveed section. Sam- 

 ples from li<- to 28-foot depths. Fine sand neaoc midstream, hard clay near 

 right bank. 



Station 80.8l/0.1 (in Sacramento Slough) . Samples from 11 to 

 20-foot depths. Silt and clay. 



Station 62.6 (Bryte) . Leveed section. Samples from 10 to 1+8- 

 foot depths. Sand near midstream, clay near left bank. 



-7- 



