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1882
Becker, George F.
Comstock Mine Maps. Number III.
Geologic Atlas
1882
Becker, George F.
Comstock Mine Maps. Number IV.
Geologic Atlas
1882
Becker, George F.
Comstock Mine Maps. Number V.
Geologic Atlas
1882
Becker, George F.
Comstock Mine Maps. Number VI.
Geologic Atlas
1882
Becker, George F.
Comstock Mine Maps. Number VII.
Geologic Atlas
1882
Becker, George F.
Comstock Mine Maps. Number VIII.
Geologic Atlas
1882
Becker, George F.
Comstock Mine Maps. Number VIX.
Geologic Atlas
1882
Becker, George F.
Cover: Geology, Comstock Lode, Washoe Di …
Geologic Atlas
1882
Becker, George F.
Title Page: Geology of the Comstock Lode …
Geologic Atlas
1882
Becker, George F.
Index: Geology, Comstock Lode, Washoe Di …
Geologic Atlas
1887
Becker, George F.
Covers: Geology of the Quicksilver Depos …
Geologic Atlas
1887
Becker, George F.
Title Page: Geology of the Quicksilver D …
Geologic Atlas
1887
Becker, George F.
Table of Contents: Geology of the Quicks …
Geologic Atlas
1887
Becker, George F.
Geological Map of the Clear Lake Distric …
Geologic Atlas
1887
Becker, George F.
Geological Map of the Sulphur Bank Distr …
Geologic Atlas
1887
Becker, George F.
Geological Map of the Knoxville District …
Geologic Atlas
1887
Becker, George F.
Geological Map of the New Idria District …
Geologic Atlas
1887
Becker, George F.
Geological Map of the New Almaden Mining …
Geologic Atlas
1887
Becker, George F.
Ore-Bodies and Topography of Mine-Hill, …
Geologic Atlas
1887
Becker, George F.
Plan of the New Almaden Mine.
Geologic Atlas
1887
Becker, George F.
Longitudinal Section of the South Ore Ch …
Geologic Atlas
1887
Becker, George F.
North and South Sections vicinity of the …
Geologic Atlas
1887
Becker, George F.
East and West Vertical Section, New Alma …
Geologic Atlas
1887
Becker, George F.
Plan of the Clay Walls, New Almaden Mine …
Geologic Atlas
1887
Becker, George F.
Steam-Boat Springs, Nevada.
Geologic Atlas
1898
Spurr, Josiah Edward
Covers: Atlas to the Geology Of The Aspe …
Geologic Atlas
1898
Spurr, Josiah Edward
Title Page: Atlas to the Geology Of The …
Geologic Atlas
1898
Spurr, Josiah Edward
Table of Contents: Atlas to the Geology …
Geologic Atlas
1898
Spurr, Josiah Edward
Legend: Atlas to the Geology Of The Aspe …
Geologic Atlas
1898
Spurr, Josiah Edward
Aspen Atlas Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Aspen District.
Geologic Atlas
1898
Spurr, Josiah Edward
Aspen District Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Sheet VII Sections.
Geologic Atlas
1898
Spurr, Josiah Edward
Aspen Special.
Geologic Atlas
1898
Spurr, Josiah Edward
Aspen Special.
Geologic Atlas
1898
Spurr, Josiah Edward
Aspen Special Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Tourtelotte Park Special.
Geologic Atlas
1898
Spurr, Josiah Edward
Tourtelotte Park Special.
Geologic Atlas
1898
Spurr, Josiah Edward
Tourtelotte Park Special Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Tourtelotte Park Special Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Tourtelotte Park Special Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Tourtelotte Park Special.
Geologic Atlas
1898
Spurr, Josiah Edward
Hunter Park Special Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Hunter Park Special Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Lenado Park Special.
Geologic Atlas
1898
Spurr, Josiah Edward
Lenado Special Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Tourtelotte Park Mining District Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Tourtelotte Park Mining District Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Tourtelotte Park Mining District Sheet.
Geologic Atlas
1898
Spurr, Josiah Edward
Tourtelotte Park Mining District Sheet.
Geologic Atlas