00579 a2200169 4500 632.96 DAN 22295 35107 Dana, Robert P. Conservation management of the prairie skippers hesperia dacotae and hesperia ottoe basic biology and threat of mortality during prescribed burning in spring Minnesota University of Minnesota 1991 1991 [vi],63p. Agriculture Biological control pests and disease control Plant injuries, disease, pests L 49677 49677 0 0 0 0 LEN MKDL MKDL LEN 2009-08-13 0 632.96DAN 53553 2009-08-13 00:00:00 0.00 2016-10-31 L