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A stunning photographic journey along the length of this iconic river
A standard reference work in its day, this 1831 account provides alphabetical entries relating to British waterways and railways.
The rapidly changing structure of urban social and economic activity in recent years has given rise to a great deal of concern regarding the fate of that area of the city where economic activity is chiefly concentrated: the central business district (CBD). This book, a geographic study of the changing nature of CBDs, represents a concise, well-ordered, and readable attempt to deal with that concern. Written by a widely known authority on the subject, it provides a comprehensive summary and analysis of much of the research done on CBDs over the past two decades and establishes many striking generalizations regarding the past, present and future evolutions of CBDs, both in this country and abroad. Using maps and diagrams where helpful, Murphy, a pioneer researcher in this field from the standpoint of economic geography, provides the record of his own and others' attempts to define CBDs and to develop theories about them. He not only presents the story of the research attack on the CBDs of a number of cities, including estimates of their probable future, but also details a practicable technique for delimiting and studying CBDs. An important feature of the book is the attention Murphy devotes to the valuable work done in this field outside America, and his examples, which fully cover the American experience, are by no means confined to it, taking in important urban centres throughout the world. This book, intended for anyone interested in the urban scene, will be particularly helpful to students and teachers of urban geography and to practicing urban planners. Raymond E. Murphy received his B.S. from the Missouri School of Mines and Metallurgy, and his M.S. and Ph.D. from the University of Wisconsin. He has taught at the University of Kentucky, Pennsylvania State University, and for many years in the Graduate School of Geography at Clark University, Massachusetts. He has contributed numerous articles to geographical literature and is the author of several books. He was also editor of Economic Geography.
Illicit drugs are an emerging class of environmental contaminants and mass spectrometry is the technique of choice for their analysis. This landmark reference discusses the analytical techniques used to detect illicit drugs in wastewater and surface water, details how to estimate the levels of contaminants in the environment, and explores the behavior, fate, and toxic effects of this new class of contaminants, now a ubiquitous presence in wastewater and surface water. The book details how an estimate of illicit drug consumption in a given population can be developed from an analysis of the residues of illicit drugs in wastewater. An important resource for analytical chemists, environmental researchers, forensic scientists, biologists, and toxicologists.