Articles
Glacial Drift Stratigraphy: New London-Spicer Area, Minnesota
D. B. Anderson and L. G. Soroka
Acid Rains: Implications for Agriculture
Prabhu D. Rawate
Use of Peat Hydrolysate for Cultivation of the Yeast, Candida utilis
Jeffrey S. Denny and Allen G. Good
Ultrastructural Features of Spicules of Five Species of Minnesota Sponges
Louise A. Rollins and Lynn C. Hyland
A Technique for Collecting Water Samples Under Extreme Winter Conditions
J. B. Carlson and G. E. Ahlgren
Observations of Diatom Populations in the Snake River, Minnesota
Donald G. Kaddatz and Keith M. Knutson