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1875 Chocolate Butte, Paria Creek … Exploration Book Chocolate Butte, Paria Creek … |
1875 Rain sculpture, Salt Creek C … Exploration Book Rain sculpture, Salt Creek C … |
1875 Marble Canon, Colorado River … Exploration Book Marble Canon, Colorado River … |
1875 Lava, Meadow Creek Canyon, N … Exploration Book Cleavage in lava, Meadow Cre … |
1875 Canon within a canon, Colora … Exploration Book A canon within a canon, in b … |
1875 Grand Canon, Colorado River. Exploration Book Grand Canon, Colorado River. … |
1875 Rock carved by drifting sand … Exploration Book Rock carved by drifting sand … |
1875 Pebbles carved by sand, Colo … Exploration Book Pebbles carved by sand, Colo … |
1875 Rock carved by the Colorado. Exploration Book Rock carved by the Colorado. … |
1875 Perched rock, Rocker Creek, … Exploration Book Perched rock, Rocker Creek, … |
1875 Lava, Lower Sevier, Utah. Exploration Book Lava from valley of Lower Se … |
1881 III. Carboniferous. Exploration Book Carboniferous. J.C. McConnel … |
1881 IV. Carboniferous. Exploration Book Carboniferous. J.C. McConnel … |
1877 I. Primordial period. Exploration Book Primordial period. H.M. Mart … |
1877 II. Primordial period. Exploration Book Primordial period. H.M. Mart … |
1877 III. Canadian period. Exploration Book Canadian period. H.M. Martin … |
1877 IV. Trenton period. Exploration Book Trenton period. H.M. Martin … |
1877 V. Subcarboniferous period. Exploration Book Subcarboniferous period. H.M … |
1877 VI. Carboniferous. Exploration Book Carboniferous. H.M. Martin d … |
1877 VII. Carboniferous. Exploration Book Carboniferous. H.M. Martin d … |
1877 VIII. Carboniferous. Exploration Book Carboniferous. H.M. Martin d … |
1877 IX. Carboniferous. Exploration Book Carboniferous. H.M. Martin d … |
1877 X. Carboniferous. Exploration Book Carboniferous. H.M. Martin d … |
1877 XI. Carboniferous. Exploration Book Carboniferous. H.M. Martin d … |
1877 XII. Carboniferous. Exploration Book Carboniferous. H.M. Martin d … |
1877 XIII. Jurassic & Cretaceous. Exploration Book Jurassic & Cretaceous. C.K. … |
1877 XIV. Cretaceous. Exploration Book Cretaceous. C.K. Worthen del … |
1877 XV. Cretaceous. Exploration Book Cretaceous. C.K. Worthen del … |
1877 XVI. Cretaceous. Exploration Book Cretaceous. C.K. Worthen del … |
1877 XVII. Cretaceous. Exploration Book Cretaceous. C.K. Worthen del … |
1877 XVIII. Cretaceous. Exploration Book Cretaceous. C.K. Worthen & H … |
1877 XIX. Cretaceous. Exploration Book Cretaceous. Martin, Worthen … |
1877 XX. Cretaceous. Exploration Book Cretaceous. P. Roetter del. … |
1877 XXI. Tertiary. Exploration Book Tertiary & Tertiary? C.K. Wo … |
1877 XXII. Typothorax, Coprolites … Exploration Book 1-9 Typothorax, 10-12 Coprol … |
1877 XXIII. Syllaemus, Unios, Cla … Exploration Book 1 Syllaemus latifrons, 2-9 U … |
1877 XXIV. Clastes, Dermatemys, B … Exploration Book 1-16 Clastes integer, 17-31 … |
1877 XXV. Plastomenus, Trionyx. Exploration Book 1-6 Plastomenus communis, 7 … |
1877 XXVI. Trionyx. Exploration Book 1-4 Trionyx leptomitus, 5-10 … |
1877 XXVII. (Emys) Exploration Book (Emys lativertebraralis, Emy … |
1877 XXVIII. (Emys) Exploration Book (Emys lativertebraralis, Emy … |
1877 XXIX. Diplocynodus sphenops … Exploration Book Diplocynodus sphenops Cope. … |
1877 XXX. Crocodilus grypus. Exploration Book Crocodilus grypus. T. Sincla … |
1877 XXXI. Crocodilus. Exploration Book 1-5 Crocodilus wheelerii, 6- … |
1877 XXXII. Crocodilus, Diatryma … Exploration Book 1-22 Crocodilus chamensis, 2 … |
1877 XXXIII. Ambloctonus sinosus. Exploration Book Ambloctonus sinosus. T. Sinc … |
1877 XXXIV. Oxyaena. Exploration Book 1-13 Oxyaena morsitans, 13-3 … |
1877 XXXV. Oxyaena. Exploration Book 1-4 Oxyaena lupina, 5-12 Oxy … |
1877 XXXVI. Oxyaena forcipata. Exploration Book Oxyaena forcipata. T. Sincla … |
1877 XXXVII. Oxyaena, Creodus. Exploration Book 1-5 Oxyaena forcipata, 6-9 O … |