OBSERVATIONS ON THE JUNCTION BETWEEN THE (HB)

OBSERVATIONS ON THE JUNCTION BETWEEN THE EASTERN SANDSTONE AND THE KEWEENAW SERIES ON KEWEENAW POINT, LAKE SUPERIOR (HB)

OBSERVATIONS ON THE JUNCTION BETWEEN THE EASTERN SANDSTONE AND THE KEWEENAW SERIES ON KEWEENAW POINT, LAKE SUPERIOR (HB)

OBSERVATIONS ON THE JUNCTION BETWEEN THE EASTERN SANDSTONE AND THE KEWEENAW SERIES ON KEWEENAW POINT, LAKE SUPERIOR (PB)

OBSERVATIONS ON THE JUNCTION BETWEEN THE EASTERN SANDSTONE AND THE KEWEENAW SERIES ON KEWEENAW POINT, LAKE SUPERIOR (PB)

OBSERVATIONS ON THE JUNCTION BETWEEN THE EASTERN SANDSTONE AND THE KEWEENAW SERIES ON KEWEENAW POINT, LAKE SUPERIOR - PRIMARY SOURCE EDITION

OBSERVATIONS ON THE JUNCTION BETWEEN THE EASTERN SANDSTONE AND THE KEWEENAW SERIES ON KEWEENAW POINT, LAKE SUPERIOR VOLUME 23

ON SECONDARY ENLARGEMENTS OF MINERAL FRAGMENTS IN CERTAIN ROCKS

ON SECONDARY ENLARGEMENTS OF MINERAL FRAGMENTS IN CERTAIN ROCKS,

ON SECONDARY ENLARGEMENTS OF MINERAL FRAGMENTS IN CERTAIN ROCKS, ...

ON THE CLASSIFICATION OF THE EARLY CAMBRIAN AND PRE-CAMBRIAN FORMATIONS

ON THE CLASSIFICATION OF THE EARLY CAMBRIAN AND PRE-CAMBRIAN FORMATIONS

ON THE CLASSIFICATION OF THE EARLY CAMBRIAN AND PRE-CAMBRIAN FORMATIONS (HB)

THE COPPER-BEARING ROCKS OF LAKE SUPERIO (HB)

THE COPPER-BEARING ROCKS OF LAKE SUPERIO (PB)

THE COPPER-BEARING ROCKS OF LAKE SUPERIOR

THE COPPER-BEARING ROCKS OF LAKE SUPERIOR (CLASSIC REPRINT)

THE COPPER-BEARING ROCKS OF LAKE SUPERIOR / BY ROLAND DUER IRVING (HB)

THE GREENSTONE SCHIST AREAS OF THE MENOM (HB)

THE GREENSTONE SCHIST AREAS OF THE MENOMINEE AND MARQUETTE REGIONS OF MICHIGAN

THE GREENSTONE SCHIST AREAS OF THE MENOMINEE AND MARQUETTE REGIONS OF MICHIGAN (PB)

THE PENOKEE IRON-BEARING SERIES OF MICHI (PB)

THE PENOKEE IRON-BEARING SERIES OF MICHIGAN AND WISCONSIN (CLASSIC REPRINT)