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ILLUSTRATIONS

HEAVY STAND OF DOUGLAS FIR, HEMLOCK AND CEDAR    Frontispiece

FACING PAGE

EFFECT OF REPEATED FOREST FIRES    8

FIRE HAZARD ON RAILWAY RIGHT-OF-WAY    8
HEAVY FOREST GROWTH IMMEDIATELY ADJACENT TO NEWLY-CONSTRUCTED

RAILWAY    16

ANOTHER PORTION OF THE SAME LINE    16

TANK CAR CONSTRUCTED BY THE GRAND TRUNK RAILWAY    28

THE SAME CAR BEING TESTED    28

RAILWAY FIRE PATROLMAN WITH VELOCIPEDE    36

RAILWAY FIRE PATROLMAN WITH POWER SPEEDER    36

KETTLE VALLEY RAILWAY RIGHT-OF-WAY    46

BRUSH PILING ALONG TOTE ROAD    46
TIE SLASH IN CONNECTION WITH GRAND TRUNK PACIFIC RAILWAY CON-

STRUCTION    54

RAILWAY RIGHT-OF-WAY AFTER THE CUTTING OF GRASS    54

FIRE HAZARD IN ALGONQUIN PARK, ONTARIO    64

FIRE HAZARD ALONG PROVINCIAL GOVERNMENT WAGON ROAD    64

HEAVY LOGGING SLASH, DOUGLAS FIR COAST TYPE    100

INFLAMMABLE LOGGING DEBRIS IN NORTHERN COAST TYPE    100

BRUSH PILED ON TIMBER SALE    114

TIE PILES AND SLASH RESULTING FROM TIE-CUTTING OPERATIONS    114

LOGGING SLASH BEFORE BURNING    118

A PORTION OF THE SAME TRACT AFTER BROADCAST SLASH BURNING    118

SLASH BURNING BY SETTLERS UNDER PERMIT    126
THE BURNING OP PILES OF BRUSH RESULTING FROM WAGON ROAD CON-

STRUCTION    126

HEAVY LUMBERING SLASH BEFORE PILING AND BURNING    136

PILING AND BURNING SLASH ON LOGGING AREA    136

A PROGRESSIVE LUMBERING OPERATION    152

SELECTION CUTTING OF LODGEPOLE PINE    152

GENERAL VIEW OE AN AREA BURNED THREE TIMES    176

ROOT COLLARS OF POPLARS REPEATEDLY BURNED ARE SWOLLEN AND TUBEROUS   176

GENERAL VIEW OF AREA BURNED MANY TIMES    184

BURNED MANY TIMES    184

SECTION OE A TREE TO SHOW HOW THE DATES OF FIRES ARE ASCERTAINED   198

FIRE-SCARRED POPLARS    202

STUMPS SHOWING SIZE OE FORMER FOREST GRO\VTH    202

REPRODUCTION OF WHITE PINE AND POPLAR ON AREA BURNED ONCE    208

GENERAL VIEW OF' AN AREA BURNED TWICE    208

A GROUND FIRE BURNING THE SLASH    212

THE PROBABLE CONDITION OF THE AREA AFTER TWELVE YEARS    212

A STAND OF DOUGLAS FIR ABOUT 100 YEARS OLD    218
XIII


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