Table 10.--Number of branches, broken logs, and trees, 10 feet or 
more in length,=/ protruding into main stream channel 
1949-1953 
: Maybeso : Harris 3 Indian : Old Tom 
Year: Creek : River : Creek : Creek 
1949 517 228 110 226 
1950 713 254 144 374 
1951 764 329 167 382 
£g52 863 425 230 5)5)5) 
1S) 33} 944 451 252 601 
1/ Only debris thought large enough to interfere with normal stream- 
flow, or the upstream migration of salmon, was recorded. No logs were 
included which had less than 10 feet of their length protruding into 
the main stream channel. 
or more logs. The slow build-up of log jams is an indication that 
the accumulation is occurring as individual logs, or as jams contain- 
ing less than 10 logs. Fig. 14 shows a natural log jam in Maybeso 
Creek. 
Figure 14,.--A natural log jam in Maybeso Creek. 
eh eee 
