Jan., 191 2. Annual Report of the Director. 129 



larger and structural specimens in this Hall were moved to Hall 31. • 

 Space for the entire collection of marbles and building stones was 

 found in Hall 34. Nine cases of the clays and sands collection and 

 one case of mineral paints of Hall 68 were moved to Hall 33. Two 

 cases of soils from Hall 68 were moved to Hall 35, and the remainder 

 of the collection was placed in storage. The large coal map of the 

 United States, Hall 69, was removed and placed in storage, as were 

 also the accompamdng coal specimens. Of the collection of carbon 

 minerals, Hall 70, space was found for six cases in Hall 35, and the 

 Australian coal column was moved to Hall ;^t,. The contents of the 

 remaining six wall cases of this collection were stored. Ten wall 

 cases and two floor cases of the petroleum collection were moved to 

 Alcove 107. The remainder of this collection was packed and stored. 

 The oil refinery exhibit in this Hall was dismantled and such of its 

 contents as were deemed desirable for preservation were stored. The 

 collection of gold, silver and lead ores, Hall 72, was moved entire to 

 Hall 34. Similar disposition was made of the collection of ores of the 

 base metals occupying Hall 79, with the exception of three large speci- 

 mens of zinc, nickel and manganese ores. These it will be necessary 

 to store. The large specimens in Hall 80 were placed in storage. 

 The collection of salts and abrasives comprising eighteen cases was 

 moved from Hall 78 to Hall 31. Space was found for the majority 

 of the relief maps fonnerly exhibited in Halls 75 and 77 in Hall 34 

 and Alcoves 105, 106, and 107. To recapitulate, the present disposi- 

 tion of the collections moved is as follows: In Hall 30 have been placed 

 twelve floor cases and fourteen wall cases of the systematic mineral 

 collection; one case of gems; one case of copper ores; and one case of 

 nickel ores. In Hall 31, four floor cases and two wall cases of minerals; 

 eight wall cases and ten floor cases of salts and abrasives; and fifteen 

 wall cases of structural specimens and rocks. In Hall 23y "nme floor 

 cases of clays and sands; one wall case of mineral paints; one case of 

 coal; and one case of meteorites. In Hall 34, nine floor cases and four 

 wall cases of marbles and building stones; ten wall cases and flfteen 

 floor cases of gold, silver and lead ores; ten wall cases and twelve floor 

 cases of ores of the base metals ; the model of the Chandler iron mine ; 

 and thirty-eight relief maps. In Hall 35, six floor cases of coals; eight 

 floor cases of systematic rocks; two floor cases of clays and soils; two 

 cases of relief maps. In Hall 36, four wall cases of Quaternary fossils; 

 the gypsum cave and two relief maps. In Alcove 104, sixteen relief 

 maps. In Alcove 105, six relief maps and two cases of gems and 

 crystals. In Alcove 106, six . wall cases and four floor cases of 

 meteorites. In Alcove 107, ten wall cases and two floor cases of 



