3. The commissioner traveled 58,140 miles, spent 173 days in the field, and conducted four national educational conferences, besides delivering numerous addresses before educational societies, institutions of higher education, business organizations, and the like.

4. A national conference on illiteracy was held in the auditorium of the Department of the Interior on January 11-14, 1924, which attracted much attention from the press and public.

5. During the session of the National Education Association at Washington in July, 1924, the bureau prepared an elaborate exhibit of educational material, showing the status and progress of education in the United States, which was exhibited in the Interior Department Building.

6. The following educational surveys were made: Higher education: State system of Massachusetts, Tennessee, and Cleveland, Ohio. County and other local systems of public education: Phoenix Union High School, Arizona; Currituck County, N. C.; Orangeburg, S. C.; Arlington, Fairfax, Princess Anne, King William, King and Queen, and Chesterfield Counties, Va. City schools: Swarthmore and Radnor Township, Pa.; Alexandria, Va.; and school buildings of Portland, Oreg., Fairmont, W. Va., and Uniontown, Pa.

7. The assistant specialist in higher education cooperated with the Pan American Highway Commission in organizing and inviting to the United States a group of notable men connected with the departments of public works, financial experts, chief highway inspectors, etc., of Latin America. He accompanied them on their tour of typical States of the Union.

8. The specialist in city schools organized the third national conference on the work-study-play or platoon plan, which was held in cooperation with the department of superintendence of the National Education Association at Chicago, Ill., February 27, 1924.

9. In cooperation with the American Home Economics Association at its annual meetings in Chicago, July 31, 1923, and New Orleans, La., January 1, 1924, two conferences were conducted. The specialist in home economics planned the program and conducted the National Home Economics Conference, which was called by the Commissioner of Education for April 21 to 24 at Washington, D. C.

10. Forty-two bulletins were issued, also leaflets and circulars to the number of 103. The May and June numbers of School Life, the periodical published by the bureau, were devoted to the activities of the office and the several bureaus of the Department of the Interior. 11. A clip sheet of educational items was inaugurated during the year.

12. More than a thousand readers enrolled during the year for one or more of the courses prepared by the home education 'section. Over 17,000 readers have enrolled in these courses, and more than

700 readers have received certificates since the inauguration of this work by the bureau. The Second National Conference on Home Education was called by the Commissioner of Education at the University of Minnesota.

13. In order to enhance the work in Alaska the superintendent of education for the natives of Alaska, Mr. W. T. Lopp, was stationed at Anchorage, Alaska, with duties of a supervisory character. The Secretary of the Interior, at the request of the Commissioner of Education, created the position of Chief of the Alaska Division, Bureau of Education, with headquarters at Seattle, Wash. Mr. Jonathan H. Wagner was appointed to this position.

14. Eighty-three schools were conducted in Alaska with 151 teachers, including schoolroom teachers, superintendents, and principals. The total number of pupils enrolled in the schools was 3,910.

15. The Government, through the Alaska division of the bureau, expended a total of $89,987.15 for medical service for the natives of Alaska.

16. The reindeer industry of Alaska is reported as flourishing. The total number of reindeer is now estimated at 350,000, of which about 235,000 are owned by the natives themselves.

THE GEOLOGICAL SURVEY

1. Made geologic surveys in 44 States and in Alaska, the work done including geologic mapping, determinations of stratigraphy, structure, and geologic history, and examinations of mineral re

sources.

2. Made studies in eight States to determine the prospects of obtaining oil and gas and prepared reports showing the results of the studies.

3. Continued laboratory work to discover the sources of petroleum and the mode of its formation and the features of oil sands-such as texture and porosity-that are favorable to the accumulation of petroleum.

4. Made researches in the field and the laboratory to determine the mode of formation of oil shale.

5. Continued to assist the United States Coal Commission by furnishing facts concerning the coal regions.

6. Continued cooperation with the General Land Office, the Indian Office, and the Forest Service in the examination and classification of public lands, the work being done especially to determine whether they contain oil, gas, or other mineral deposits.

7. Examined coal fields in six States, prepared eight reports (four for publication elsewhere), and published three reports and four press notices on fields examined.

8. Made cooperative field studies of ore deposits, coal beds, and geologic formations with 12 States.

9. Made special studies of metalliferous deposits in Michigan and California with a view to the broader application of the results.

10. Continued the search for deposits of potash and found deposits in southwestern Texas that promise to be of commercial value. 11. Made geologic examinations of sites for dams and reservoirs. in Western States in cooperation with the Bureau of Reclamation,. to determine the strength, imperviousness, and other features of the rocks.

12. Completed cooperative field work on a geologic map of Arizona, to be published by the State, and completed office work on a geologic map of Wyoming, now in preparation for publication.

13. Aided in completing and publishing a report on the geology of Haiti, the cost of which was borne by the Haitian Government. 14. Identified thousands of fossils sent in from different parts of the United States and from the West Indies and Central and South America, for stratigraphic determination and correlation, principally as a means of disclosing the geologic horizons at which oil may be found.

15. Continued to study the San Andreas earthquake rift in California in cooperation with the Seismological Society of America, the Carnegie Institution, and the Coast and Geodetic Survey.

16. Published 30 reports on the geologic features and mineral resources of areas in different parts of the United States.

17. Collected and published statistics of mineral production and cooperated in this work with 16 States and the Bureau of the Census.

18. Assisted the United States Coal Commission to the date of its termination, maintained contact with the Department of Commerce in its studies of special features of the coal industry, and made and reported on four canvasses of consumers' stocks of coal in cooperation with the Bureau of the Census.

19. Issued weekly reports showing the production of coal, prepared and published monthly statements on the production of petroleum, and compiled for the Federal Trade Commission special statistical reports on petroleum.

20. Prepared a map showing petroleum and natural gas fields and petroleum pipe lines in Texas.

21. Continued the compilation of data showing mineral production in foreign countries and the world's fuel reserves.

22. Made field investigations to determine resources of arsenic in Western States.

23. Made 782 quantitative analyses of rocks and minerals and identified 2,698 mineral specimens.

24. Made laboratory studies to determine the mode of formation of metallic copper in ore deposits.

25. Made studies of the chemical nature of the organic matter in oil shale, in order to discover the mode of formation of petroleum and other natural hydrocarbons.

26. Made a series of assays for determining the presence of small quantities of platinum in rocks.

27. Made 662 analyses of potash salts in material from Texas, disclosing promising potash-rich beds.

28. Measured deep earth temperatures and temperatures of hot springs in a study of the temperatures at depths in the earth's crust. 29. Made laboratory studies of the texture, pore space, and productivity of oil sands.

30. Continued the survey of naval petroleum reserve No. 4, traversing areas aggregating 220 linear miles along six rivers, exploring the lower part of Wainwright Inlet, and mapping 2,150 square miles in northern Alaska.

31. Made reconnaissance geologic surveys elsewhere in Alaska covering 8,570 square miles and reconnaissance topographic surveys covering 4,300 square miles.

32. Continued the study of the copper deposits of Prince William Sound and of the geology and mineral resources of southeastern Alaska, especially the Hyder district, and of the nickel deposits in the Sitka district.

33. Continued the study of the stratigraphy of Alaska Peninsula, especially the Cold Bay petroleum field and the Chignik district. 34. Completed a report on the Mesozoic geology of Alaska.

35. Continued an examination of the ore deposits and other mineral resources in the region along the Alaska Railroad, and prepared and published a report (Bulletin 755-C) giving its results.

36. Completed a study of the Tertiary flora of Alaska and assembled the results in form for early publication.

37. Revised for republication the geographic dictionary of Alaska. 38. Published a report on work done in Alaska in 1921, three chapters of a similar report on work done in 1922, and a bulletin on the Ruby-Kuskokwim region.

39. Published a large relief map of Alaska, in which the topographic features are brought out by brown shading and the water features are shown in blue.

40. Surveyed for mapping 16,021 square miles in the United States, resurveyed 644 square miles, and made river profile surveys covering 818 linear miles, running in connection with these surveys 7,781 linear miles of primary levels and setting 2,059 permanent bench marks.

41. Occupied 177 triangulation stations, of which 122 were permanently marked.

42. Ran primary traverse lines aggregating 5,832 miles and in connection therewith set 1,450 permanent marks.

43. Completed 696 square miles of topographic surveys in Hawaii, the work including the running of 228 miles of primary levels and the establishment of 90 bench marks.

44. Compiled for the Air Service of the United States Army airroute maps of more than 100,000 square miles of territory.

45. Prepared maps of proposed dam sites on Colorado River and a map of Arizona showing their location.

46. Assembled and redrafted reconnaissance maps of streams in Colorado and Wyoming and made a series of maps of Missouri River.

47. Continued cooperation in topographic surveys with 19 States and with Hawaii, and performed base-map work for the National Park Service, the United States Coal Commission, the General Land Office, and the Federal Board for Vocational Education.

48. Published editions of 70 new topographic maps that form sheets of the Topographic Atlas of the United States (including shaded relief editions of seven standard maps), maps of Alabama and Arizona, a shaded relief map of Kentucky, and photolithographic editions of 92 new maps (to be engraved later), of 34 maps not yet scheduled for engraving, and of 17 river plans and profiles.

49. Published a bulletin (No. 709) giving in one volume the results of triangulation in the United.States in 1916-1918.

50. Published a bulletin (No. 689) describing the boundaries, areas, geographic centers, and altitudes of the United States and the several States.

51. Continued stream gauging at more than 1,600 stations on rivers in 41 States and in Hawaii to determine the quantities of water available for irrigation, power, and other uses, performing part of the work in cooperation with 29 States and Hawaii and with the Bureau of Reclamation, Forest Service, National Park Service, Office of Indian Affairs, Federal Power Commission, Office of the Chief of Engineers, and city of San Francisco.

52. Made investigations of ground water in 16 States, cooperating in this work in certain areas with five States, the Bureau of Reclamation, and the General Land Office.

53. Analyzed 819 samples of water and made studies to improve methods of water analysis.

54. Prepared monthly reports on the production of electricity and the consumption of fuel by public-utility power plants and on the stocks of coal on hand at such plants and a report on the developed water power of the United States.