January 25-26, Friday-Saturday worked on the hist. soil. Jan. 27-1924, Sunday. Trudled all morning on the rock. Had to dinner Mr and Mrs Stroganow and Prof. Ramsey. Saw the latter took are to the base of the Santa Catalina Mts corthern just north of the University. Bring on it over the Tucson Mts one rises to a certain level and then the plane goes down to the Billitz Creek. The stream bed is 200-300 ft wide, but now there is not a drop of water in it. From one rives out of it and then the gravel-triddle-sand washade is everywhere much dissected and much rugged by the finer display of the feet sub-harr cactus. The rocks are here all ancient gneiss, granite and schists from the Mts. There is no @alicke