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Displaying 65 to 68 (of 217 new products) Result Pages: [<< Prev]  ... 16  17  18  19  20 ...  [Next >>] 
Trackards for North American Mammals
Trackards for North American Mammals by David Brown contains twenty-six ring-bound cards that present life-size tracks and other sign of native mammals that occur across much of the United States and Canada. These cards combine: - Accuracy and authenticity; - Ease and speed of use; - A defined process for use that optimizes successful identification of tracks or other sign that is found in the field; - Waterproofed format, making them impervious to water, mud, or snow.     Reg. Price $32.95 Availability of a companion reference--The Companion Guide to Trackards for North American Mammals--will be released in the near future....
  $32.95
Date Added: Monday 29 October, 2012
Publisher: McDonald & Woodward Publishing

Groundwater for the 21st Century: A Primer for Citizens of Planet Earth
Fresh water is one of the essential natural resources on Earth, and groundwater constitutes 98% of the liquid fresh water on the planet. Yet, throughout the world, groundwater resources are being depleted, allocated, squandered, contaminated – but rarely is their fundamental value to humankind thought about or understood! Groundwater for the 21st Century is an effort to increase the groundwater literacy – from local to global scales, among laymen, students, and professionals – of citizens of planet Earth. Groundwater for the 21st Century provides two very important perspectives on the resource — (a) a thorough yet accessible introduction to basic groundwater science and (b) a current, concise but comprehensive overview of groundwater resources and their imp...
Date Added: Monday 30 July, 2012
Publisher:
  $59.95

Groundwater for the 21st Century: A Primer for Citizens of Planet Earth
Fresh water is one of the essential natural resources on Earth, and groundwater constitutes 98% of the liquid fresh water on the planet. Yet, throughout the world, groundwater resources are being depleted, allocated, squandered, contaminated – but rarely is their fundamental value to humankind thought about or understood!  Groundwater for the 21st Century is an effort to increase the groundwater literacy – from local to global scales, among laymen, students, and professionals – of citizens of planet Earth. Groundwater for the 21st Century provides two very important perspectives on the resource — (a) a thorough yet accessible introduction to basic groundwater science and (b) a current, concise but comprehensive overview of groundwater resources and the...
  $39.95
Date Added: Monday 30 July, 2012
Publisher:

Groundwater for the 21st Century: A Primer for Citizens of Planet Earth
Fresh water is one of the essential natural resources on Earth, and groundwater constitutes 98% of the liquid fresh water on the planet. Yet, throughout the world, groundwater resources are being depleted, allocated, squandered, contaminated – but rarely is their fundamental value to humankind thought about or understood! Groundwater for the 21st Century is an effort to increase the groundwater literacy – from local to global scales, among laymen, students, and professionals – of citizens of planet Earth. Groundwater for the 21st Century provides two very important perspectives on the resource — (a) a thorough yet accessible introduction to basic groundwater science and (b) a current, concise but comprehensive overview of groundwater resources and their imp...
Date Added: Tuesday 17 July, 2012
Publisher: McDonald & Woodward Publishing
  $59.95

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