a
a
,
Mean '
TK
probably be the most critical period {about January 1948).
tests will again be run at this time.
Statistical
Dead eggs are being preserved for
a Study of deformitias,
Sections III and IV
The entire run of sockeye salmon returning to Cultus Lake B. 5. is being
examined for the presence of marked fish.
In the fall of 1943 sockeye salmon
adults were treated with 100 r doses of x-rays.
"controls",
Some fish were used as
The offspring of these fish were returned to Cultus Lake at the
normal time for them to migrate to the sea.
the survivors will return from the sea.
This fall it is expected that
Any fish obtained will be spawned
and their progeny carefully studied for changes.
The International Pacific Salmon Fisheries Commission are aiding us
With this portion of the project.
II.
The sxperimental work on the effects of radiation on microplankton
is in the resting phase.
Press of other duties and the poor growing season
have reducad the output in this field.
TII. The material collected at Bikini during 1947 has been summarized into
reports for submission to the agencies involved in the resurvey.
IV.
During the month Mr. Allyn H, Seymour and Lauren R. Donaldson visited
the Sanford Engineering Works for conferences with personnel of the 146 Building.
The progress of experiments was discussed and plans for future operations
studied.
An airplane inspecticn trip was made of the Columbia River in the
"area™ to look for spawning salmon.
A boat trip covering mich the same araa
provided a closer view of the River and the preblems,
DOS ARCHIVES