POLLEN PROFILE FROM WODEN BOG IN NORTH-CENTRAL IOWA

[1] BLACK CA, 1961, LABORATORY METHODS S

[2] BRUSH GS, 1967, QUATERNARY PALEOECOL, P99

[3] CONARD HS, 1954, STATE U TOWA STUDIES

[4] CUSHING EDWARD J., 1965, P403

[5] DAVIS MB, 1967, QUATERNARY PALEOECOL, P11

[6] POSTGLACIAL HYPSITHERMAL INTERVAL [J]. SCIENCE, 1957, 125 (3240) : 182 - 184

[7] FAEGRI K, 1964, TEXTBOOK MODERN POLL

[8] Gleason H. A., 1963, MANUAL VASCULAR PLAN

[9] GLEASON HA, 1964, NATURA GEOGRAPHY PLA

[10] GRAHAM BEN F., 1962, PROC IOWA ACAD SCI, V69, P39

[1] BLACK CA, 1961, LABORATORY METHODS S

[2] BRUSH GS, 1967, QUATERNARY PALEOECOL, P99

[3] CONARD HS, 1954, STATE U TOWA STUDIES

[4] CUSHING EDWARD J., 1965, P403

[5] DAVIS MB, 1967, QUATERNARY PALEOECOL, P11

[6] POSTGLACIAL HYPSITHERMAL INTERVAL [J]. SCIENCE, 1957, 125 (3240) : 182 - 184

[7] FAEGRI K, 1964, TEXTBOOK MODERN POLL

[8] Gleason H. A., 1963, MANUAL VASCULAR PLAN

[9] GLEASON HA, 1964, NATURA GEOGRAPHY PLA

[10] GRAHAM BEN F., 1962, PROC IOWA ACAD SCI, V69, P39