SURVEY OF COLORADO AND NEW MEXICO. 



99 



Locality. 



3. PACIFIC COAST. 



A. — Cretaceous. 



Bellinnham Bay, Wasliiuoton Territory 

 Nauaimo, Vancouver's Island 



-B. — Tertiary. 



Coos Bay, Oregon 



Moiint Diablo, California 



Do 



Do 



Do 



Do 



Fixed 

 carbon. 



45.69 

 46.31 



41.98 

 40.65 

 46.84 

 44. 92 

 44.55 

 36.35 



Volatile 

 material. 



33.26 

 32.16 



32. 59 

 40.36 

 33.89 

 40. 27 

 37.38 

 35.62 



Water. 



8.39 



2.98 



20.09 

 13.47 

 14.69 

 13.84 

 14.13 

 20. 53 



Asb. 



12.66 

 18.55 



5.34 

 5. 52 

 4.68 

 0.97 

 3.94 

 7.50 



German iertiary coals. 



Variety. 



Fibrous, (faserige) 



Eartby, (erdige) 



Laminated, (muscblige) 



Carbon. 



Hydrogen. 



Combined 

 water. 



Hj-groscopic 



water. 



The ash is neglected in the foreign analyses, but is stated to average from 5 to 1 

 per cent. When first mined, the German brown coals contain frequently nearly 50 

 per cent, of hygroscopic water, which by drying is reduced to 20 or 25 per cent. 



The absolute heat effects of the German coals are given as foUoAvs : 



Variety. 



Fibrous — 



Eartby 



Laminated 



Kiln-dried. 



.63 



.76 



The data obtained by Professor Brush by tlia redaction of oxide of lead, when 

 placed ill a decimal form, pure carbon being unity, are : 



Vermejo Canon 67 



Placer anthracite 91 



Denver, (Murphy's) 60 



The following- are analyses of water from springs, &c., by Mr. P. Frazer, 

 chemist and mineralogist to the United States geological survey of 

 Colorado and New Mexico: 



While in Rawling's Springs I was employed by the Union Pacific Railroad Company 

 to examine the waters from various springs, which incrusted the boilers of locomotives 

 and stationary engines of the company, as well as of coals from the principal coal-beds 

 on the lino of the road. The result of these analyses I append : 



Scale from the boiler of an cnrfmem the maclune shop at BawUnfs Springs.— This scale was 

 of a dark color due to impurities in suspension in the water. It consisted of the 

 chlorides of potassium and sodium, the sulphates of lime and magnesia and the silicate 

 of alumina. The major part of the soluble matter was composed of salt and gypsum. 

 Some water from a salt pond in the Black Hills, some distance from Sherman, was 

 analyzed and found to contain chloride of sodium, chloride of potassium, the carbon- 

 ate of soda, and some alumina. 



Boiler scale from locomotive running between Bawling^s Springs and Bryan.— This scale was 

 of a "-ray color, but proved to be of the same chemical constitution as that previously 

 given, viz, chlorides of potassium and sodium, sulphates of lime and magnesia, and the 

 silicate of alumina. 



