Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Holms, R.
196
Insect Sampling - Throat
13 June Throat, Alaska
Pond I-G. deep with gront mon covering. - 70x58'. Ph at 3". Temp = 9°C
Pond I-H. 80x40', selt bottom with sedge edge. Temp 8°C Ph = 3".
Pond I-I. 40x50'. deep mud selt bottom but sedge edge. Ph at 3". Temp = 7.4°C
Pond I-J - 100x20'. - grassy + mossy (no selt) - PF at 3" - Temp = 5.6°C