TWENTY-EIGHTH BIENNIAL REPORT. 



73 



Fig. 16. Studying nature first-hand. Nature guide field excur- 

 sion, Yosemite Valley, Summer, 1924. Photograph by 

 J. Lloyd. 



SUMMER RESORT EDUCATIONAL WORK. 



Through cooperation with the National Park Service, opportunity has 

 been given each summer to build up public sentiment relative to con- 

 servation in Yosemite National Park. The director of your Department 

 of Education and Publicity spent the summer of 1922 and that of 1923 

 in Yosemite lecturing and conducting field trips. The results have been 

 most gratifying. Many thousands of people have heard conservation 

 lectures and, better yet, have gained first-hand information relative to 



