17• Aerial view of small-boat channel between Bird and Planetree 
Islands, 5 June 1962, Official U.S. Navy photograph. 
18. Chart showing distribution of temperature and salinity 
within the lagoon, July - August 1930. Reproduced with per¬ 
mission from Galtsoff (1933: figure 4, opposite p. 24). 
19* Monthly temperature means and their maximum and minimum 
ranges for a 10-year period, 1953 to 1963* at Midway Atoll. 
20. Mean number of days with measurable precipitation for Mid¬ 
way Atoll, 1953 to 1963. 
21 . Mean monthly precipitation in inches for Midway Atoll, 
1953 to 1963. 
22. Wind direction and speed at Midway Atoll from 1953 to 1963. 
Length of directional line indicates percent of observa¬ 
tions from that direction; figure at end of directional line 
Is mean wind speed in knots. 
23. Pishing camp of the Hawaiian Sea Products Company at South¬ 
east Island, summer 1930. Photograph by P.S. Galtsoff. 
24. One of three buildings at Southeast Island constructed by 
the Hawaiian Sea Products Company, summer 1930. Photograph 
by P.S. Galtsoff. 
25. Drawing of U.S. Navy base camp at Southeast Island, drawn 
6 August 1936. Official U.S. Navy photograph no. 80-CF- 
79797~3 in the U.S. National Archives. 
26. Chart of tender anchorages, plane moorings, and base camp 
for U.S. Navy exercise, 1 October 1937. Official U.S. Navy 
photograph no. 80-CF-79797-4 in the U.S. National Archives. 
27. Aerial view of Southeast Island from 300 feet showing 
details of base camp, probably October 1937. Official U.S. 
Navy photograph no. 80-G-II878 in the U.S. National Archives. 
28. Vegetation map of Grass Island, March 1965. Redrawn from 
POBSP map by W.O. Wirtz, II. 
29. Grass Island covered with dense Eragrostis, 27 April 1923. 
Photograph by A. Wetmore. 
30. Interior of Grass Island, 27 June 1963. Laysan Albatross 
ehicks (foreground) in area of Setaria, Boerhavja and 
Tribuius ; Great Frigatebirds nesting in Solanum . POBSP 
photograph by A.B. Amerson, Jr. 
31. Vegetation map of Little North Island, March 1965. Redrawn 
from POBSP map by W.O. Wirtz, II. 
