ADMINISTRATIVE REPORT. XXXVIl 



Early in the }eiir the Avork of Mr Cosmos Mindeleff coin- 

 lueiiced iii repairing and securing the preservation of the Casa 

 Grande ruin. This work was ordered by act of Congress, and 

 plans for its execution hiid been prepared by Mr Mindeleff 

 while in Arizona during the previous year. These plans pro- 

 vided for the excavation of the interior of the ruin and luider- 

 pinning of the walls with brick and cement, the use of tie-beams 

 to hold the walls in place and render them more solid, the 

 restoration of the lintels over door and window openings, and 

 the filliuff of the cavities above the lintels with brick and 

 cement. The work was com]3leted in November, and was 

 inspected and accepted. Although all that was deemed neces- 

 sary to preserve the ruin could not be done with the appropri- 

 ation provided, still it is believed that enough was done to 

 preserve it in its present condition for many years. All the 

 work done was directed to the preservation of the ruin, no 

 attempt at restoration being made. In June, 1892, the Presi- 

 dent, in accordance with the authority vested in him l)y C\)n- 

 gress, reserved from settlement twelve quarter sections about 

 the ruin, comprising an area of about 480 acres. A nund)er of 

 specimens obtained during the excavation were shipped to 

 "Washington and deposited in the National Museum. 



During a part of the year Mr Mindeleff v^•as engaged in the 

 prei)aration of a report on his field work of the previous year. 

 This report, entitled "Aboriginal Remains in Verde valley, 

 Arizona," was completed and appears in this volume. Aside 

 from a comprehensive treatment of the ruins in the valley of 

 the Verde the report contains the first illustrations published 

 of ancient irrigating ditches, and the first comprehensive data, 

 including illustrations, relating to eavate lodges. It is fully 

 illustrated from photographs, plans, and surveys made l)y the 

 author. Subsequently Mr Mindeleff commenced a scientific 

 report on Casa Grande ruin, Arizona, which also appears else- 

 where in this volume. 



No new Avork was undertaken in the modeling room during 

 the year, as the entire force Avas occupied in preparing dupli- 

 cates of models previously executed for use at the World's 

 Columbian Exposition and elsewhere. Six models, in addition 

 to other material, were sent to Spain, to be exhibited at the 



