Proceedings of the South Dakota Academy of Science, Volume - 70, Year - 1991

TABLE OF CONTENTS  

AUTHOR NAME  

PAGE

Minutes of the Seventy-sixth Annual Meeting of the South Dakota Academy of Science  

5

Elected Officials  

7

Report of the Resolutions Committee  

8

Junior Academy Report  

8

Report of the Membership Committee  

10

Report of the Auditing Committee  

11

Treasurer's Report  

11

Memorial Statements  

12

Membership Lists  

14

Presidential Address: Past, Present and Future.  

Mark Gabel  

19

Senior Research Papers Presented at the Seventy-sixth Annual Meeting of the South Dakota Academy of Science:

Induction of Tetraploid Lilium longiflorum Thunb Plants by Colchine Treatment of Cultured Bulbscale Discs.  

0. M. Kafawin and C. H. Chen  

31

Differentiation Patterns in Inflorescence Cultures of European Sloughgrass (Beckmannia eruciformis) (L.Host).  

C. H. Chen, C. R. McMullen, K. S. Yao, and A. A. Boe  

39

Seed Weight of Diploid and Tetraploid Crested Wheatgrass Cultivars Grown in Solid Stands.  

Arvid Boe  

45

Blue Grama Growth and Use of Surface Layer and Subsoil Water.  

E. M. White and F. R. Gartner  

49

Relationship between Community Carbon Isotope Values and Nutrient Concentrations in a Northern Mixed Prairie.  

Larry L. Tieszen and A. A. Steuter  

55

Community and Soil Organic Matter Stable Carbon Isotope Ratios: Forest-Grassland Transitions at Wind Cave National Park.  

Eric D. Pentico and Larry L. Tieszen  

69

Variations in Stable Carbon Isotope Values of Dietary Biochemicals: Extraction Procedures and Results.  

Tim Fagre, Larry L.Tieszen, and Sally Rodriguez  

83

An Environmental Gradient in the Tertiary Great Plains as Indicated by Stable Carbon Isotopes from Organic Carbon in Plant Fossils.  

Doug Backlund, Mark L. Gabel, and Larry L. Tieszen  

99

Relationships between Environmental Variables and Density of Largemouth Bass in South Dakota Ponds.  

Christopher S. Guy and David W. Willis  

109

Effects of Sucrose, Lactose and Butterfat on Hexose Monophosphate Shunt Activity and Lipid Metabolism in the Rat.  

Louise Guild  

119

Urinary Tract Infection: Role of Antibiotics in Diagnosis and Management of the Patient.  

Paul Fugazzotto  

133

Adult and Young Adult Total Fluoride Intake in the USA.  

R. R. Kintner  

137

Determination of Water Hardness by Computer Controlled Photometric Titration.  

Steven K. Johnson and Duane E. Weisshaar  

151

Discharge Peaks Caused by Ice Channel Melt in Black Hills Streams.  

Perry H. Rahn  

157

Normal and Lognormal Distributions as Models for Annual Precipitation in South Dakota.  

James Finney and Darrell DeBoer  

167

Miniaturization in the Organic Laboratory: One Institution's Experience.  

R. R. Kintner  

177

Aspects of the Spinning Black Hole Collision Problem.  

Joel Rauber  

187

Pythagorean Triples with Constant Difference Between Hypotenuse and One Leg.  

Tammy Benson and Emil Knapp  

209

Abstracts of Senior Research Papers.  

214

Senior Research Papers Published by Title Only.  

283

Abstracts of Award Winning Junior Papers.  

287