334 



MINING DISTRICTS. 



K umber of 

 (uinea. 



CHAP. XXVI. the requisite hardness to their tools hy mixing a portion 

 ~~ of tin with tlie copper of wliieh they were composed. 



At tlie period when Humboldt visited New Spain, it 

 contained nearly 500 places celebrated for the metallic 

 treasures in their vicinity, and comprehending nearly 

 T5000 mines. These were divided into 37 districts, under 

 the direction of an equal number of councils (^Dipiita- 

 ciones de m'meria), as follows : — 



I. INTENDANCY OF GUAVAXUATO. 



1. Mining' District ofGuanaxuato. 



11. INTENDANCY OF ZACATECAS. 



2. Zacatecas. I 4. Fresnillo. 



3. Sombrerete. 5. Sierra (ie Pinos. 



III. INTENDAXCY OF SAN LUIS POTOSI 



6. Catorce. 



7. Potosi. 



8. Charcas. 



I 9. Ojocaliente. 



I 10. San Nicolas de Croix. 



11. Pacliuca. 



12. El Doctor. 

 \'A. Ziniapan. 

 14. Tasco. 



18. 



IV. INTENDAXCY OF JIEXICO. 



15. Zacualpan. 



If). Siiltepec. 



17. Temascaltepec. 



v. INTENDANCY OF GU ADALAXAR A. 



Bolanos. I 20. Hostotipaquillo. 



19. Asientos de Ibarra. 



21. Cliibuahua. 



22. Parral. 



23. Guarisamey. 



INTENDANCY OF DIIRANGO. 



24. Cosi^rniriachi. 



25. Batopilas. 



2fi. .alamos. 



27. Copala. 



28. Cosala. 



29. San Franrisco Xavier de la 



Huerta. 



VII. INTENDANCY OF SOKOHA. 



30. Guadalupe dft la Pnerta. 



31. Santissima Trinidad de Pe- 

 na Blanra. 



32. San Francisco Xavier de 

 Alisos. 



VIII. 



33. Anpaufrueo. 



34. Injjiiaran. 



INTENDANCY OF VALLADOLID. 



135. Zitaquaro. 

 3B. TIalpujahua. 



IX. INTENDANCY OF OAXACA. 



37. Oaxaca. 



