

SLACK, R.; NINEHAM, A. W.

GEOLOGICAL & NATURAL HISTORY SURVEY OF MINNESOTA; papers by SHELDON, EDMUND P.; TILDEN, JOSEPHINE E.; ANDERSON, ALEX. P.

GEOLOGICAL & NATURAL HISTORY SURVEY OF MINNESOTA; paper by TILDEN, JOSEPHINE E.

GEOLOGICAL & NATURAL HISTORY SURVEY OF MINNESOTA; papers by TILDEN, JOSEPHINE E.; UNDERWOOD, LUCIEN M.; MACDOUGAL, D. T.

GEOLOGICAL & NATURAL HISTORY SURVEY OF MINNESOTA; MACMILLAN, CONWAY, EDITOR

DOMINIAN, LEON; SMITHSONIAN INSTITUTION

KEZER, ALVIN; ROBERTSON, D. W.; COFFMAN, F. A.; KOONCE, DWIGHT; DEMING, G. W.

MCGINTY, R. A.; COLORADO EXPERIMENT STATION HORTICULTURAL DIVISION

SACKETT, WALTER G.; COLORADO AGRICULTURAL EXPERIMENT STATION

HEADDEN, WILLIAM P.; COLORADO AGRICULTURAL EXPERIMENT STATION

BENEDICT, C. HARRY; U. S. DEPARTMENT OF COMMERCE, BUREAU OF MINES

MUNRO, A. C.; PEARSE, H. A.; U. S. DEPARTMENT OF COMMERCE, BUREAU OF MINES

FULLER, MYRON L.; DEPARTMENT OF THE INTERIOR, U. S. GEOLOGICAL SURVEY

TAFF, JOSEPH A.; DEPARTMENT OF THE INTERIOR, U. S. GEOLOGICAL SURVEY

HAYES, CHARLES WILLARD; DEPARTMENT OF THE INTERIOR, U. S. GEOLOGICAL SURVEY


PUBLIC SERVICE COMMISSION OF OREGON

MILLS, GEORGE; GROVE, RICHARD; COLORADO SPRINGS FINE ARTS CENTER, TAYLOR MUSEUM

RIESENBERG, SAUL H.; SHIGERU KANESHIRO



VINCENT, EUGENE; translated by DULLES, CHARLES W.




INGALL, ELFRIC DREW; BRUMELL, H. P. H.; GEOLOGICAL SURVEY OF CANADA
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