Collection trips to Devil's Hole, v4441
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Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
cgg 67-1 Collection: Trapping. Traps lined with 1/32 wire mesh. No bait used. Set according to map. Total - 12 traps 1040 - 1240 hrs. Total trap hours = 24 Upper Shelf - 4 sinkers (see map) 4 floaters Trap Depth (ft) Number Captured Measurements & Remarks ① 3½ 1 18mm ♂ ② 2 0 28 ♀ ③ 2½ 0 20 ♂ ④ 2 3 16 ♂ ① floater 0 26 ♀ ② 1. 0 13 Jaw. ③ " 2 7 Jaw. ④ " 1 Total 7 □=sinker ○=floater Lower Shelf - Four sinkers were set in one connected line along the sloping shelf. The bottom trap was at the deepest level at that point (21'). The other traps were at 18, 12, + 3 ft depths. All depths taken - not length of line used. This is designated as Trapline 1, with traps a, b, c, "d" ("d" being the deepest and "a" being nearest the surface.