76 CASA GRANDE, ARIZONA [wrn, ANN, 28 
chamber wall is more or less broken and enlarged, its edges are rough, and in them are 
rounded cavities. It is next to impossible now to say whether the opening is the 
result of an enlargement of a previously existing doorway, or simply the result of a 
breaking away of the wall. The upper portion of the doorway on the second story 
is broken and destroyed. A passageway from A into the east room, D, situated in the 
second story, is very conspicuous. Its sides slope slightly, one side being more out 
of perpendicular than the other. The width of the opening is thus greater at the base. 
Between the openings from the north room into chambers B and D, the floor groove 
Fic. 9. Interior of north room, looking west. 
of the second story can be easily traced, and well preserved impressions of the ends 
of the small sticks which were probably placed above the beams can be readily seen. 
In several instances it was possible to pick out of the adobe a few small fragments of 
woody remnants of the ends of the small sticks which formerly filled these holes, but 
as a rule these fragments are very small. The impressions in the adobe, however, 
where rods formerly existed are as well shown as if the sticks or reeds had been extracted 
but a few weeks ago. 
While room A is by no means the best preserved of the five chambers which compose 
Casa Grande, its walls are still in a fair condition forstudy. There are but few van- 
