Aldrich 1938 of Swainson Hawk 38-111 Nesting tree about 15' up in Joshua. Nest is about 3' wide and 3' deep + contains 2 white eggs well incubated. Taken from shady side of tree where can better be seen the nest supports. Isopan; f/16-4th; K2 filter. 38-112 - Same nesting tree as #111 taken from sunny side (west) and further distant. Isopan; f/11-30th; K2 Filter. 38-113 - Same as #112 - slightly closer with me part way up tree (self timer). Superpan Press; f/6-50th; Agfa #17 yellow filter, center portion. 38-114 - Habitat Study - yucca mohavensis in center with Joshuas growing both sides. Woodrat nest at base of nearly all y. mohavensis Birds about are Shrike, Sweet Sparrow, Mockingbird Ephedra at bases of Yuccas in abundance Has and Whip-tailed Lizards also about .. Isopan; f/22-5th; K2 Filter. 38-115 - Power line Tower running through Joshua forest. "This would be the only high nesting spot for raptors and it is covered with hawk guards." Only other possible sites are Joshuas every 7 miles far in distance. Isopan; f/16-5; K2 filter. Taken late in afternoon.