324 The National Geographic Magazine 



tion of the Columbus folio, Ohio, and 

 he will be assisted by Mr E. R. Cum- 

 ings. 



Mr Geo. W. Stose will continue in 

 charge of the editing of geologic maps, 

 and will spend a short field season in 

 the continuation of work on the Cham- 

 bersburg quadrangle, Pennsylvania. 



Prof. C. R. Van Hise will continue 

 the supervision of investigations on the 

 pre- Cambrian and metamorphic rocks of 

 the United States. He will visit vari- 

 ous parties in the field for the purpose 

 of verifying and coordinating work in 

 his division. He will be assisted by 

 Mr C. K. Leith in the preparation of 

 a final monograph on the Lake Supe- 

 rior region, by Dr W. S. Bayley in the 

 completion of fieldwork in the Menom- 

 inee district, by Dr W. H. Hobbs in the 

 continuation of surveys in Connecticut 

 and Rhode Island, by Dr Florence Bas- 

 com in the continuation of areal and 

 structural studies in the Philadelphia 

 district. 



Mr David White will continue his in- 

 vestigations on the paleobotany of the 

 Carboniferous, working in cooperation 

 with various geologists in West Vir- 

 ginia, Ohio, Pennsylvania, and Indian 

 Territory. 



Prof. Henry S. Williams will continue 

 his studies on the co-relation problems 

 of the Devonian in Pennsylvania, New 

 York, and Maine. He will be assisted 

 by Mr E. M. Kindle. 



Prof. J. E. Wolff will continue the in- 

 vestigation of the areal and structural 

 geology in the crystalline areas of New 

 Jersey and southern Vermont. 



Southern States. — Prof. W. B. Clark, 

 with assistants, will continue the inves- 

 tigations of the geology of the Coastal 

 Plain region in Maryland and Delaware, 

 and of the Piedmont plateau of Mary- 

 land in cooperation with the Geolog- 

 ical Survey of Maryland. 



Dr William H. Dall will continue his 

 studies for the completion of the revis- 

 ion of the Tertiary faunas of Florida. 



Dr C. W. Hayes will continue the su- 

 pervision of the investigations on non- 

 metalliferous economic deposits, and will 

 continue areal work in the southern Ap- 

 palachians. He will be assisted \>y Mr 

 W. T. Griswold in the Eastern Ohio oil 

 field and by Mr Edwin C. Eckel in Ala- 

 bama and Georgia. 



Mr Arthur Keith will continue areal, 

 structural, and economic surveys in the 

 southern Appalachians. He will be as- 

 sisted by Mr H. S. Gale. 



Dr W. S. Tangier Smith will be asso- 

 ciated with Mr E. O. Ulrich during the 

 early part of the season in the study of 

 the lead, zinc, and fluorspar deposits of 

 western Kentucky, and later will con- 

 tinue his investigation of the lead and 

 zinc deposits of the Joplin district. He 

 will be assisted by Dr C. E. Siebenthal. 



Mr E. O. Ulrich will study the geology 

 of the western Kentucky mining district 

 in connection with Dr Tangier Smith's 

 investigation of the mineral deposits. 

 Later in the season Mr Ulrich will be 

 associated with Dr Adams in Arkansas 

 and Mr Taff in Indian Territory. 



Mr T. Wayland Vaughn has recently 

 returned from fieldwork in southern 

 Louisiana, Alabama, Georgia, and Flor- 

 ida. He will be engaged throughout the 

 greater part of the coming year in the 

 preparation of a monograph on the fossil 

 corals of the United States. 



Alaska. — Four parties, under the 

 supervision of Mr Alfred H. Brooks, 

 are now carrying on geologic work in 

 Alaska. The first, in charge of Mr 

 Alfred H. Brooks, geologist, with Mr 

 D. L. Raeburn as topographer, and five 

 camp hands, is exploring the northern 

 slopes of the Alaskan Range, having for 

 its more especial aim a geologic and 

 topographic reconnoissance of the re- 

 gion. This party expects to obtain im- 

 portant information concerning Mount 

 McKinley, said to be the highest moun- 

 tain on the continent, which lies in the 

 heart of the Alaskan Range and whose 

 base has not yet been reached. The 



