Lake Michigan environmental survey : final report / [edited] by John C. Ayers.

Table A-6

Lake Michigan tributaries-1963.

Average Gross

Beta Radioactivity in uCi/m14
Beta Radioactivity in 10 9 uCi/ml

Winter - A
Avg

--

RIVER
Sheboygan
Manitowoc
Branch
Duck Creek
Oconto
Peshtigo
Menominee
Ford
Escanaba
Rapid
Whitefish
Manistique
Black
Boardman
Manistee
Little Manistee
Big Sable
Pere Marquette
White
Muskegon
Grand
Kalamazoo
St. Joseph
Burns Ditch

Spring Summer
TSp TSP
14
26 11
27 13
18 37
17
14
17
15 15
18 14
11 17
8
10
5 6
10 9
10 10
18 8
35 8.
16 12
10 25
64 36
20 19
16 16
15 12
11 12

Fall
TSP
13
10
9
36
11
13
6
8
16
5
11
2
4
27
16
10
9
15
15
12
17
12

Winter A
'TSr SE
18

37
66
12

8
5
11
7
6
15
5
6 1
11
11 2
13
17
15

vg Avg;S DSP
2 11
3 13
7 15
6 34
2 12
1 13
5 12
1 10
3 7
2 13
1 5
2 9
1 4
3 5
8 8
6 4.2 5
7 6
9 6
23 10
4 12
6 9
6 8
5 7

Avg
TSB
13
16
21
39
14
13
17.
11
11
14
6
11
5
7
15
10
17
12
15
32
17
15
15
12

--------------------- --

TS = Total solids
DS = Dissolved solids
SS = Suspended solids.

A-15