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Principles of Water Resources: History, Development, Management, and Policy

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PPI PE Environmental Practice – Comprehensive Practice for the PE Environmental Exam

Master the PE Civil Water Resources & Environmental Exam: Full Breadth + Depth Review with 160 Exam-Style Multiple-Choice Questions in CBT-Style and Step-by-Step Solutions

The Ultimate Guide to Chlorine Dioxide: Chlorine Dioxide Solutions for Purification, Cleansing, and Health Support

Wastewater Treatment Operator Certification Practice Exams: Level 3 (Wastewater Treatment Operator Certification Practice Exams: Level 1 to Level 4)

Rainwater Harvesting for Drylands and Beyond, Volume 2, 2nd Edition: Water-Harvesting Earthworks

Survival Bible Off-Grid Living Primer for Women: A Step-by-Step Guide to Preparing Your Family for Natural Disasters, Power Loss, and Social Unrest (Off-Grid Survival Primer for Women)

The State of Water: Understanding California's Most Precious Resource