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DEPARTMENT OF THE INTERIOR ALBERT 8 FA LL. SECRETARY
U . S . GEOLOGICAL SURVEY GEORGE OTIS SMITH , DIRECTO R
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C. H. B1rd seye, Chiel Top9g raphic Engmeer
T. G. Gerd ne, Oiv'V 'O" Topograph1c Engineer Topography by K. W. T rll\1b le
Surveyed 1n I 21
SURVEVEO IN CQOPE.RATION W ITH TH E SOUTHERN CAUFY RNIA EDISON COMPAN Y
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PLAN AND
COLORADO RIVER, LEES FERRY. ARI SAN JUAN RIVER. MOUTH TO CHINLE C
0 GR E E N R IV ER: UTAH ; AND CERTAI N TR IBUTARIES
APPROXIMATE MEAN DECLINATION 1921
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KEY MAP OF PLAN SHEETS
Subject to adj ustment
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SHEET 0
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22 SHEETS
(16 plans. 6 profdes )
Printed 1922
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