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USGS Professonal Paper 1096 - IRIS

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Historical Survey of<br />

U.S. Seismograpfi Stations<br />

By BARBARA B. POPPE<br />

GEOLOGICAL SURVEY PROFESSIONAL PAPER <strong>1096</strong><br />

A listing of seismograph stations,<br />

... c .c...,'rtg ZrtJUI. ,. on 0peratzng f~r."".<br />

organzzatzons, instrumentatIOn,<br />

l~1<br />

and fl..1lfli!"h;/;f" rof eo;<br />

- J - J<br />

- "'.<br />

~l!. 91'<br />

~<br />

tlNI'!'E!} S'!'K'!'ES CO ~ ERNMEN I PRIN lING OFFICE, WASHINGION : 1979

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