190 ANALYSES OF ROCKS AND MINERALS, 1880-1908. 
NEW YORK. 
A. Dolomite marble, New York Quarry Company, Tuckahoe, Westchester County, 
Analysis by W. F. Hillebrand, record No. 746. 
B. Hydraulic cement rock, Akron. Analysis by George Steiger, record No. 1655. 
Described by Diller in Bull. 150. 
A B. 
ETDS OU LG sca cee fe oseceed aes Sesrmmreiane es Stee eee anes Seo wcll ho lerasd See Bae love evousiom Braaes close Surette noe 1383! | smseeese 
LO as. < ssc awakesteenentak sininamrciccnmemteists Tamenaebaniieed Hatt edatmweescenacmaskaiees sas mea eee 9.03 
TiOg.. -16 
JANG O Bare cater nt isang oe x npr eee Snsaeiyd A sigiaiatgiatareere oIsisIas am ERR EES CE eMRR Maes Demise cece sete 2.25 
Fe203. ~85 
ROO. 3.72. ciceestisinns Disiwtoas tesate arate eeeed eae aeeananeemeesee see eee oo ia rere bine 52 
COO. conc ctsiarsieenciais bieiinteein Sinead cccin dieses eae Bois OEE ER Sta DERE aes cme eee eS 26. 84 
MEO es issetsictaeccnachedapsisce tind etitiaue cteg ies iasee eS mnie mctseis niece niaaysani nie sig oe Me eee ae Sees 18. 37 
RON. a cial eihecRancayads op esd esSibs clepteslbad Rissusbis ‘eAadiead pesdicseussiatc sine Reuse Sodas eysiclatcscioimeiseraage Gry sisal ecave ee 85 
Wat Od crasaneteiecesonbsnedehstaliatie toeimbes audneiuses Hike teriesiinetalaeswatseek Secinmaleeien Soe none 
H20 = 98 
Pi O ie. seanmactemcsiass smidiamaira masses eeamanakisans AREA RRR Ree ede ad te sama acat aes - 03 
CO2 40. 33 
OT mame WSUS Be ta esicjateiecicte ied @kreergtectars misters seitg wie ysjove wie a Bred Daiginle Wier ipbfelel apie Tac saeeae | be oe eters ees 
100. 21 
PENNSYLVANIA. 
A. Compact gray limestone, Greason.- Described by Diller in Bull. 150. Analysis 
by E. A. Schneider, record No. 1279. 
B. Limestone, quarry on south side of Jordan Creek, near Jordan Bridge, South 
Whitehall. 
C. Quartzose dolomite, same locality as B. 
D. Hydraulic limestone, Atlas Cement Company’s quarry, Whitehall. 
Analyses B, C, D, by W. F. Hillebrand, record No. 2016. Samples collected by 
T.N. Dale. 
99.08 | 98.23 | 96.81] 100.13 
MARYLAND. 
A. Dolomite marble, Cockeysville. Analysis by E. A. Schneider, No. 1279. 
P, Ri Gy 11%, 
