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Nile Waters, Saharan Sands
In this book, the author describes in simple, non-technical terms the adventures he has experienced during his work as an earth scientist in some of the remote parts of the arid and semi-arid world. His aim in writing this concise account of some of the work he has been involved in over the past fifty years is to try to convey to the non-specialist some of the excitement and fun involved in fieldwork in the drier regions of the world. His studies of the soils, landforms and the recent geological history of arid and semi-arid regions have taken Martin Williams to some remarkable places in Africa, Asia, Australia and the Middle East. Not only are the landscapes themselves often stunningly beau...
Advances in the Biology of Turbellarians and Related Platyhelminthes
Proceedings of the Fourth International Symposium on the Turbellaria held at Fredericton, New Brunswick, Canada, August 5-10, 1984
When the Sahara Was Green
The little-known history of how the Sahara was transformed from a green and fertile land into the largest hot desert in the world The Sahara is the largest hot desert in the world, equal in size to China or the United States. Yet, this arid expanse was once a verdant, pleasant land, fed by rivers and lakes. The Sahara sustained abundant plant and animal life, such as Nile perch, turtles, crocodiles, and hippos, and attracted prehistoric hunters and herders. What transformed this land of lakes into a sea of sands? When the Sahara Was Green describes the remarkable history of Earth’s greatest desert—including why its climate changed, the impact this had on human populations, and how scient...
The Peoples of the Middle Niger
The Peoples of the Middle Niger This book provides the first comprehensive history of the peoples of the Middle Niger written by an English-speaking scholar. ‘The Island of Gold’ was the medieval Muslim and later European name for a fabled source of gold and other tropical riches. Although the floodplain of the Niger river lies far from the goldfields, the mosaic of peoples along the Middle Niger created a wealth of grain, fish, and livestock that supported some of Africa’s oldest cities, including Timbuktu. These ancient cities of the region that came to be known as Western Sudan were founded without outside stimulation and their inhabitants long resisted the coercive, centralized sta...
Before the Pharaohs
Presents conclusive evidence that ancient Egypt was originally the remnant of an earlier, highly sophisticated civilization • Supports earlier speculations based on myth and esoteric sources with scientific proof from the fields of genetics, engineering, and geology • Provides further proof of the connection between the Mayans and ancient Egyptians • Links the mystery of Cro-Magnon man to the rise and fall of this ancient civilization In the late nineteenth century, French explorer Augustus Le Plongeon, after years of research in Mexico’s Yucatán Peninsula, concluded that the Mayan and Egyptian civilizations were related--as remnants of a once greater and highly sophisticated cultur...
Climate Change in Deserts
A synthesis of the environmental and climatic history of every major desert and desert margin, for researchers and advanced students.
Brown
Thomas Brown was born in 1774 in Maryland. He moved to Bullskin Township, Pennsylvania in 1796. He married Amy Ann in about 1797 and they had six children. He died 1 September 1855. Descendants and relatives lived mainly in Pennsylvania.
