Proceedings of the South Dakota Academy of Science, Volume - 56, Year - 1977

TABLE OF CONTENTS  

AUTHOR NAME  

PAGE

Minutes of the Sixty-Second Annual Meeting of the South Dakota Academy of Sciences  

  

5

Committee Reports  

  

5

Memorial Statements  

  

8

New Business  

  

10

Treasurer's Report  

  

12

Minutes of the Collegiate Section of the South Dakota Academy of Science  

  

14

Membership Lists  

  

15

Presidential Address  

  

20

Senior Research Papers Presented at the Sixty-Second Annual Meeting of the South Dakota Academy of Science:

Origin of the Prairie Coteau, Northeastern South Dakota.  

Perry H. Rahn  

28

Simulation of the Solar Installation at the Mt. Rushmore Visitor Center.  

Don C. Hopkins  

34

Potential for Geothermal Energy in South Dakota.  

John Paul Gries  

54

Vacuum-Heat Pump Dryer.  

James D. Bruce and John M. Bruce  

58

Feasibility Study of a Capacitance Humidity Sensor for Stratospheric Application.  

D. K. Lefevre, Mark A. Howe and T. Ashworth  

68

Induction of Rat Liver Zinc Metallothionein by Mercuric Chloride.  

Mark Martin and Frank O. Brady  

72

Thermal Conductivities Parallel and Perpendicular to Nylon's Extrusion Axis.  

Louis J. Dorland  

77

Preimplantation Development of t"2/t"' Lethal Mouse Embryos in vitro.  

Nels H. Granholm, Phyllis M.Johnson and George M. Brenner  

86

Nematodes Associated with Irrigated Corn in South Dakota.  

James D. Smolik  

93

Ultrastructure of Corn Leaf Tissue Infected with the ND18 Strain of Barley Stripe Mosaic Virus.  

C.R.McMullen, W. S. Gardner and G. A. Myers  

100

Comparative Eutrophication and Production Measurements in Prairie Lakes.  

Lois Haertel  

105

Eastern Redcedar (Juniperus virginiana) Reproduction and Spread in Brookings County, South Dakota.  

H.L Hutcheson and Steven C. Rothe  

125

Habitat Relationships of Breeding Waterfowl on Stock Ponds in Northwestern South Dakota.  

Lester D.Flake, Gene L. Petersen and W. L. Tucker  

135

Regeneration of Plantlets from Leaf Cultures of Lilium longiflorum Thumb.  

Nancy E. Stenberg, C. H. Chen and J. G. Ross  

152

Aberrant Body Temperature Regulation in Obese Yellow (Ayla) Mice.  

Gerald R. Cizadlo, Nels H. Granholm and Robert C. Wagers  

159

Fishes of the Little Missouri River, South Dakota.  

Joel P. Bich and Charles G. Scalet  

163

A Mosaic or Nonpersistent Virus Isolated from Pumpkin in South Dakota.  

W. N. Stoner  

178

A Comparison of Pumpkin Mosaic Virus and Isolates of Squash Mosaic Virus.  

El-Sayed A. Salama and W. H. Sill, Jr  

185

The Use of Plant Tissue Culture Techniques for Studying the Growth of Morel.  

J. J. Wassom and D. J. Holden  

197

Effect of Stubble Height on Regrowth of Smooth Bromegrass Selections Compared with Orchardgrass and Reed Canarygrass.  

D. F. Gross and J. G. Ross  

207

Composition of South Dakota Feeds.  

A. W. Halverson and G. F. Gastler  

212

Soil-Surface Crust and Plow-Layer Differences Which May Affect Runoff Quality.  

E. M. White and E. J. Williamson  

225

Population Status of Beaver on the Free-Running Missouri in Southeastern South Dakota.  

Robert J. Vanden Berge and Paul A. Vohs, Jr  

230

Abstracts of Papers Presented at the Senior Section  

  

237

Abstracts of Papers Presented at the Collegiate Section  

  

259

Junior Academy Award Winners  

  

271

Papers Published by Title Only  

  

273