Imagine the blooming of the very first flower. Or a 3-ton sloth with massive claws standing as tall as a giraffe. And horses the size of small dogs that have toes instead of hooves. This is not a dream or vision of an artist or author. This is North America over 20 million years ago! Journey into the distant past with this book and witness the earliest events in North America; when mammals rose from the shadows of the extinct dinosaurs to fill the land, and the first flowers and grasslands bloomed.
Bonnichsen , B. , 1987 , Pre - Cenozoic geology of the West Mountain - Council Mountain - New Meadows area , westcentral Idaho , in Vallier , T.L. , and Brooks , H.C. , eds . , Geology of the Blue Mountains region of Oregon , Idaho ...
... Jerome , City Coll ( CUNY ) , ( 902 ) Sparks , David , Columbia Univ , ( 308 ) Sparks , Thomas N. , ( 608 ) 257-5500 , Kentucky Geological Survey , ( 006 ) Spatta , Carolyn D. , ( 510 ) 881-3193 , Cal State , Hayward , ( 903 ) Spayd ...
With the experience in the preparation and evaluation of G - 1 and W - l as a guide , the originators of USGS II were able to avoid a number of pitfalls that raised doubts about the earlier samples . Details were given by Flanagan ...
Along the shore of Great Salt Lake, the problems associated with water damage are also compounded by the presence of salt in the water. In areas where flooding is deep and of long duration, ...
CASE STUDIES ON SECONDARY OIL MIGRATION IN THE WILLISTON BASIN * M. LI , K. G. OSADETZ , M. G. FOWLER , L. R. SNOWDON , L. D. STASIUK , H. YAO Geological Survey of Canada , 3303-33 St. N.W. , Calgary , Alberta , T2L 2A7 , Canada R. J. ...
Origin and Paleoclimatic Significance of Large-scale Patterned Ground in the Donnelly Dome Area, Alaska
Geology of the Darren District. In: Hughes. S.J.S. The Darren Mines. British Mining No. 40. Northern Mine Research Society, 131-141. matley, c.a. 1928. The Pre-Cambrian complex and associated rocks of south-western Lleyn ...
Hart, E.W., and Bryant, W.A., 1997, Fault-rupture hazard zones in California – Alquist-Priolo earthquake fault zoning act with index to earthquake fault zone maps: Online, California Division of Mines and Geology, ...
Filling your geoscience toolbox -- Plate tectonics -- Mineral properties, identification, and uses -- Rock-forming processes and the rock cycle -- Igneous rocks and processes -- Sedimentary processes, rocks, and environments -- Metamorphic ...
Excursions in Historical Geology: A Modular Program