PIKE COUNTY. 627 
of the county, however, and their accessibility, take away all reason for 
seeking out any other supply, so that these courses have not been worked 
to any considerable extent on the west side of the Scioto. The case is 
different on the east side of the river. The strong easterly dip to which 
the rocks are subjected carries the Waverly quarries below the surface 
before the valley is fairly left, and the higher beds are then sought for. 
The color which has been spoken of as characterizing the rock at the 
Tar Spring marks it through all its northern exposures in the county. 
Instead of being counted a disadvantage, the variety which it adds to 
the builder’s resources constitutes a positive argument in its favor. To 
the north and north-east of Waverly, for twelve or fifteen miles,. this 
Buena Vista stone is very abundant. The best quarry of it yet opened 
within the limits of Pike county is on the farm of John Gregg, Esq., op- 
posite the village of Waverly, where it occurs in a single massive course, 
seven feet and two inches in thickness, and perfectly homogeneous in 
color and character—at least for the limited extent which has thus far 
been worked. The stone taken from the quarry has been mainly hand- 
led by Morris Richey, of Waverly, who has brought it into market under 
the name of the Waverly brown stone. It has been used for the con- 
struction of several large buildings in Columbus during the last five 
years, where it is coming to be looked upon as one of the most desirable 
of the native building stones of Ohio. It is to be observed, however, 
that the brown color for which it is so justly admired is not a natural, 
but a derivative color, formed from the conversion of a notable quantity 
of protoxide of iron into sesquioxide. As in the true Waverly quarries, 
where a similar conversion of the outside portions has been effected, the 
change does not extend more than twelve or fifteen feet beyond the sur- 
face. The original color of the rock is blue, of a considerably darker 
tint than the native color of the lower courses of building rock, viz., the 
true Waverly quarries. Its composition is shown in the following an- 
alysis made by Prof. Wormley for the Survey. The sample submitted 
was taken from Grege’s quarries, and only the brown or weathered por- 
tion of the layer was analyzed: 
WaveERuy Brown STONE. 
UCT CRAG Gteans tes ere een uname an er UES a al Miucu aah oas cayivlvebeesssuneee desece 73.90 
ALO LO XA CERO O Mrmr ee on isch soak cen cick ole eadeoclescee tod ec ccuuldeeduhioneceeesen! aevtes 
ESCO meld CHO MMIMO Men nammetea na acca ae coe ctiu aU LAME EAL ETAT MEAM AR Ae a7 2 13.44 
PANCUTAN UT eee etc apa MEMS TeL ayn LIPS L SILI Mie eee Cy MMR a au eM Ea 8.56 
LETNID® , acabo6 Sean ObeC Ted INAS GOLD HSSHICE AROSE EEE BESET REPRE BEC BCI eRe ET Site Anne trace 
J VETTYISNEY trios BROR ORT ode aen ace CEO Re REET IEEE OEE Hear Heep see eeees coneeeees vane ees 0.46 
NValeracormp lave dieses mune mene callie, cole selvelgcieaseuelende ebuas eseddaes SRE OU 
