176 Stoux City Academy of Science and Letters. 
IX. 
aGAS PRODUCING CAPACITY OF NEBRASKA AND WYOMING 
LIGNITES AND CANNEL COAL. 
Cubic Feet Coke 
No. SAMPLE AND LOCALITY ieee atin ||| IESE. 
1 | Lignite, shaft See. 22, 29 N., 7 E., Dakota 
Coumby;.') ING ores Ea LO) se na AN 12279. 71.2 
2 | Lignitic Coal, Rock Springs, Wyo...................-..---. 11069. 55.8 
3 | Cannel Coal, Kentucky..........2.......-:..c:ccccceeececeeeneeeeee 7661. 42.0 
aExperiments by writer, assisted by Mr. Geo. Hicks, of the Sioux 
City High School, Class 1904. 
X. 
aCOMPARATIVE GAS PRODUCING CAPACITY OF OTHER 
LIGNITES AND COALS. 
No. SAMPLE AND LOCALITY Poe eee 
1 | Lignite, Ouachita county, Ark... eeeeeeee TAS SG. ya yee eee 
2 | Cannel, Beaver county, Pav... eee MOTOS see 
Si Cannel ike ntie kay wens Geese ess sete EO SeS 125400 ee 
Aer Carman aS Cop era clletercn ses coastal aac nae ne vee sey L230). ees 
5 | Cannel, (Stillman, Engr. Chem. p194).................... 10144. 43.3 
6 | Bituminous coal, Neweastle, Eng ................-.---.-- LOMGOR eee 
7 | Bituminous coal, Pittsburg, Pa 2. LOOOO LA sip ewes 
a. Data (except No. 5.) from J. A. Taff’s preliminary report on 
the Camden, Ark., coal field, Twenty-first Annual Report, U. S. Geolog- 
ical Survey, part 2, 1900, p. 329. 
