| Volume 22, No. 2 | June 1990 |
| Paul B. Kannowski, Editor | |
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| Douglas H. Johnson, Book Review Editor | |
| TABLE OF CONTENTS | |
| Breeding Biology of The Black-Tailed Prairie Dog In North Dakota | |
| R. W. Seabloom and P. W. Theisen | 65 |
| Patterns of Resource Use In A Lizzard Community In The Nebraska Sandhills Prairie | |
| R. E. Ballinger, S. M. Jones, and J. W. Nietfeldt | 75 |
| A Thirteen-Year Survey of The Aphidophagous Insects of Alfalfa | |
| N. C. Elliott and R. W. Kieckhefer | 87 |
| Status and Distribution of Plains Sharp-Tailed Grouse In Colorado | |
| A. W. Hoag and C. E. Braun | 97 |
| Christmas Bird Counts for North Dakota-1989 | |
| R. N. Randall |
103
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| Vulnerability of Largemouth Bass to Angling In Two Small
South Dakota Impoundments |
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| J. P. Lindgreen and D. W. Willis |
107
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| Population Structure of Largemouth Bass and Black Bullheads In South Dakota Ponds | |
| P. D. Saffel, C. S. Guy, and D. W. Willis |
113
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| Population Size and Economic Value of Aquatic Bait Species In Palustrine Wetlands of Eastern South Dakota | |
| B. N. Carlson and C. R. Berry, Jr. |
119
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| Selenium in The Aquatic Environment of Quivira National Wildlife Refuge | |
| G. T. Allen and R. M. Wilson |
129
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| NOTES | |
| Stachys tenuifolia Willd. (Lamiaceae) In South
Dakota R. Tatina |
136 |
| A Recent Record of Eskimo Curlew In Nebraska C. A. Faanes |
137
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| Predation Upon Alate Ants by The Northern Plateau Lizard W. H. Clark |
139
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| Saving Ferrets and More K. Ralls |
141
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| Beans and More Beans of The Plains States D. Isley |
143
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