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TM 5-295 Water Supply And Water Purification 1942

TM 5-295 Water Supply And Water Purification 1942 TABLE OF CONTENTS CHAPTER 1. GENERAL Paragraph Page The Purpose and Scope 1 1 The Problem of Water Supply 2 1 Importance 3 2 Responsibility 4 2 Duties of Engineers 5 3 Definitions 6 3 CHAPTER 2. SOURCES OF WATER AND ITS IMPURITIES Classification of Water Sources 7 5 Rainwater 8 5 Dew Ponds 9 6 Surface Water 10 6 Physical and Bacterial Impurities in Surface Water 11 6 Dissolved Impurities 12 7 Pollution of Surface Water 13 8 Chemical Warfare Agents in Surface Water 14 8 Ground Water 15 8 Wells 16 12 Springs 17 16 Sea Water 18 17 Choice of a Water Supply Source 19 18 CHAPTER 3. DEVELOPMENT OF WATER SOURCES General 20 19 Surface Water Intakes 21 20 Pump Location 22 23 Substream-bed Sources 23 23 Intakes in Lakes and Ponds 24 23 Sea Water Intakes 25 25 Permanent Intakes 26 26 By-passes 27 27 Development of Ground Waters 28 27 Development of Springs 29 29 Dug Wells 30 29 Infiltration Galleries 31 30 Bored Wells 32 31 CHAPTER 3. DEVELOPMENT OF WATER SOURCES (CONT'D.) Driven Wells 33 32 Drilled Wells 34 35 Capacity 35 36 CHAPTER 4. WATER QUALITY AND EFFECT OF SUBSTANCES DISSOLVED AND SUSPENDED IN WATER General 36 37 Impurities Found in Wat

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