1951-72





1973







Number



Total

Number



Total



Geographical

of



Persons

of



Persons



Districts

Accidents

Deaths

Involved

Accidents

Deaths

Involved



Canada

Alberta

50

20

65

1

0

1



British Columbia

73

24

105

4

2

4



Yukon Territory

9

8

22

0

0

0



Ontario

1

1

1

0

0

0



Quebec

1

1

1

0

0

0



West Arctic

1

1

2

0

0

0



Practice Cliffs

11

2

14

0

0

0



United States

Atlantic — North

126

35

170

23

4

26



South

9

2

9

1

0

1



Central

15

3

15

0

0

0



Colorado — Oklahoma

234

85

297

20

8

24



Utah & New Mexico 

30

16

35

2

0

2



Wyoming

178

32

207

12

1

13



Montana, Idaho & S. Dakota

34

15

43

0

0

0



Arizona, Nevada & Texas

28

4

40

1

1

6



California

339

95

413

22

13

26



Oregon

54

19

107

3

1

3



Washington

243

83

305

22

7

28



Alaska

53

27

89

1

0

1



Hawaii

1

0

1

1

1

1



Practice Cliffs all areas

212

40

245

24

2

16