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USGS Professonal Paper 1096 - IRIS

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MAINE<br />

Waterville, lIE<br />

GKNERAL INFORMATION<br />

Operated by:<br />

Address:<br />

Colby College<br />

Department of Geology<br />

Colby College<br />

wa[erville, tiE 20230<br />

Telephone: 207-873-1131 ext. 241<br />

Address to obta in records:<br />

A, above.<br />

SITE I NF eRtlNf I.ffil<br />

Code<br />

Station<br />

name<br />

Latitude Longitude Elev Date Date<br />

Founda tion; geologic<br />

{deg N. ) (deg w. ) (meters) opened closed 'g'<br />

wrR Waterville-------------- 44.6483 69.6556 79 10/51 Open-- Metamorphics of th, Mayflower Hill<br />

Formation; Early Silurian.<br />

INSTRUMENTATION<br />

Seismometer Galvo Type Magnification Rema [kS<br />

Code Typ' Component To(sec) T (sec) recording ,t I<br />

g 0<br />

---_.<br />

WTR Wilson-Lamison------- Z 1.0 1.5 Photo paper --- ---<br />

Timing system:<br />

Sprengnether clock.<br />

System response Curve:<br />

Not calibrated.<br />

SHORT HISTORY<br />

WTR originally operated \,.'ith , Sprengnether torsion seismometer, mainly used for teaching purposes. In 1961 the USC&GS<br />

provided the Wilson-Lamison currently in use. Th. station inoperative early in 1977 while the system wa< changed to<br />

electronic Sprengnether '" clock.<br />

include , visual recording system ,nd<br />

'"<br />

162<br />

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