GEOLOGICAL AND NATURAL HISTORY SUllVEYS. 25 



1889, one copy each; reports of 1S9U, volumes 1 aud 2. one coiiy each; r^-ports 

 of 1890, volume o, three copies each; reports of 1891, three copies each; reports 

 '>f 1892, three coi)ies each: of all volumes hereafter published, five copies each. 



Sec. 2. That before the secretary of state shall be authorized to distribute any 

 of the reports to scieutists or capitalists as provided for in section 1, he shall 

 require the applicant to state in writing " that he is a scientist or a capitalist," 

 aud that he wishes the reports to aid him in investigating tlio mineral resources 

 of the Stale. 



Skc. 3. Tliat the secretary of slate shall not be antiiorized to distribute any 

 of the reports to scientists or capitalists until the postage or express charges f»u 

 same have been paid. 



Skc. 4. That the residue of said reports be retained in the State library fpr 

 sale at such price as the printing board may fix. 



Sec. 5. That all acts in conflict herewith be, and they are hereby, repealed, 

 and that this act take effect and be in force from and after its passage. 



Approved April 6, 1893. 



Results. — The following arc some of the general economic resulus 

 of the surve3''s work as given by Professor Branner: 

 : 1. The areal and structural geology of the State in so far as the 

 subdivisions are knovvn. (The exact parting between the Carbon- 

 iferous and Lower Carboniferous along the southern margin of the 

 Carboniferous is not known; indeed it is not known whether the 

 Lower Carboniferous comes lo the surface south of tlie Arkansas 

 River.) 



2. Reporting upon the reputed gold mines of the State. 



3. Outlining the coal area. 



4. Determining and pointing out the adaptabilities of the vaiious 

 coals, and the best methods of mining and marketing tliem. 



5. Showing the extent, value, and method of locating manganese 

 deposits. 



6. Mapj)ing and calling attention to the character, extent, and di .- 

 tribution of the marbles and other limestones. 



7. Discovery of chalk, giving its distribution, and suggcfting uses 

 to Vihich it may be pttt. 



8. Chemical analyses of the mineral v>'aters. 



9. Showing the character of the iron ores. 



10. Discovery of bauxite and giving its distribution. 



n. Pointing out the character, distribution, and availability of tlu> 

 clays of the State. 



12. Detcj-mining l»y tests the chararter of the granites and giving 

 their distribution. 



13. Analyses and distribution of the zinc ores. 



Some of the more comprehensive UfHilogic probkons that yet re- 

 main to be solved relate to — • 



1. The })alcontology of the State. 



2. The physical geography. 

 ^. Quaternary history. 



