Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Holmes, R.
1961
Insect Sampling
24 Aug Barrow Alaska
P-D - 16" ph - level at 7.0 , Lee only
at edge - The sample taken
about ~ 1/2 #/1
P.E - 20" ph. Level at 7.0 - 2/3 covere
with ice . Taken at the same
level as +1/
P-E - ph at 11" - level at 3.5, Ice
covering about 15% / pond - around
The edge.
P-I - ph at 14" - Same level as last
sample
P-M - 4" (water - 2' ) ice all around
edge
P-K - 8" (water - 2' ) ice around
the edge.
(OP) S-A - 1/2" (snow - ph at 15"
S-B
S-C
S-D
↓
15"
14"
13"