Part 1 



Part 2 



Part 3 



CONTENTS 



PAGE 



Introduction 18 



Inundated lands 20 



Classification of swamps 21 



Description of swamps 21 



* Marine marshes 21 



Mangrove marshes 23 



Fresh- water swamps 23 



Lake swamps 23 



River swamps 25 



Delta swamps 25 



Upland swamps 26 



Climbing bogs 26 



Ablation sw^amps 26 



Classification of peat based on vegetation 27 



Classification of peat based on physical condition. . . 27 



Process of peat formation 28 



Analyses of peat 32 



Methods of determining fuel value 36 



Economic value of swamps 38 



Timber 38 



Marsh grass and c&^t-tails 38 



Moss litter 38 



Peat fuel 39 



Methods of preparing peat for fuel 42 



Mechanical treatment of peat 44 



Peat coke and volatile products 59 



Agricultural value of peat 61 



Associated products 62 



Marl 62 



Clay 63 



