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I 49.4:133
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Exempt trucking of fresh and frozen fish and shellfish in interstate commerce / |
1 |
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I 49.4:138
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Indian backgrounds of the Patuxent Wildlife Research Center. |
1 |
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I 49.4:140
|
Your stake in wetlands : what wetlands are, their importance to you, what's happening to them. |
1 |
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I 49.4:141
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Economic review of the Great Lakes commercial fisheries, 1940-59 / |
1 |
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I 49.4:144
|
Common parasites of fishes / |
1 |
|
I 49.4:149
|
Trident : a long range report of the Bureau of Commercial Fisheries / |
1 |
|
I 49.4:150
|
Safety manual for fishermen, captains, and owners of New England fishing vessels / |
1 |
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I 49.4:152
|
Recreational fishing in the national wildlife refuges / |
1 |
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I 49.4:157
|
6 questions everybody asks at national fish hatcheries. |
1 |
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I 49.4:158
|
A guide and key to the aquatic plants of the Southeastern United States / |
1 |
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I 49.4:159
|
Trout feeds and feeding / |
1 |
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I 49.4:179
|
Anglers' guide to sharks of the northeastern United States : Maine to Chesapeake Bay / |
1 |
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I 49.4:185-186
|
Investigations in fish control. |
1 |
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I 49.4:187
|
Pondweeds and pondweedlike plants of eastern North America. |
1 |
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I 49.4:191
|
Extent of acid mine pollution in the United States affecting fish and wildlife / |
1 |
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I 49.4:192
|
Columbia River fishery program, 1963. |
1 |
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I 49.4:195
|
An electrofishing boat with a variable voltage pulsator for lake and reservoir studies / |
1 |
|
I 49.4:196
|
Reservoir fishery research : strategy and tactics / |
1 |
|
I 49.4:200
|
Bureau of Commercial Fisheries, Biological Laboratory, Oxford, Maryland : programs and perspectives. |
1 |
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I 49.4:201
|
Fish recipes from the Great Lakes. |
1 |
