University Geologicai Survey of Kansas. VoLuUME VII. PLATE XI. 
N N 
SESS Naas 
Capes ate (ly ee YL 
Z 
SS 
—— é — = 
a) || | 
CR 
aS MILLIS ULLAL LIAL 
YY UML botUd 
SUCTION PIPE 
YW) THE LETTERS REFER TO THE 
ba 7 FOLLOWING PARTS, VIZ. 
(a) the “bit” or cutter | 
i ee aie ae 
et SSNS 
SWE (6) the core-barrel, 
! 
!) 
(©) the reducing plug. 
(dq) the Calyx. 
Ce) the top of Calyx, where velocity 
of water diminishes. 
C, 
NYY 
M7, 
QRS 
RSS 
(f) the hollow drill rods. 
SS 
NX 
SS 
SN 
XIN 
YY AX ~ 
The arrows indicate the direction of 
the water current, 
SS 
i, 
a LEV eS 
= Se 
AKRpjRK[Q 
RRRRRRVECHER . 
RRO MNR WANNA NENG 
SECTIONAL VIEW OF Davis CaLyx DRILL aS Ir WouLp AP- 
PEAR COULD IT BE SEEN AT WORK UNDERGROUND. 
