Pollen records from lakes in Anoka County, Minnesota - A study on methods of sampling

[1] ARTIST RC, 1939, ECOL MONOGR, V9, P493

[2] COOPER WS, 1935, MINN GEOL SURV B, V26, P3

[3] GEISLER FLORENCE, 1935, BUTLER UNIV BOT STUD, V3, P141

[4] GODWIN H., 1940, PHIL TRANS ROY SOC LONDON SER B BIOL SCI, V230, P239, DOI 10.1098/rstb.1940.0001

[5] HOUDEK PK, 1933, INDIANA ACAD SCI P, V42, P73

[6] LUTZ HJ, 1941, J SEDIMENT PETROL, V11, P105

[7] The floatation of sand in nature. [J]. AMERICAN JOURNAL OF SCIENCE, 1941, 239 (08) : 594 - 607

[8] Potzger J. E., 1942, BUTLER UNIV BOT STUD, V5, P179

[9] Potzger J. E., 1942, AMER MIDLAND NAT, V28, P501, DOI 10.2307/2420833

[10] POTZGER J. E., 1941, AMER MIDLAND NAT, V25, P270, DOI 10.2307/2420774

[1] ARTIST RC, 1939, ECOL MONOGR, V9, P493

[2] COOPER WS, 1935, MINN GEOL SURV B, V26, P3

[3] GEISLER FLORENCE, 1935, BUTLER UNIV BOT STUD, V3, P141

[4] GODWIN H., 1940, PHIL TRANS ROY SOC LONDON SER B BIOL SCI, V230, P239, DOI 10.1098/rstb.1940.0001

[5] HOUDEK PK, 1933, INDIANA ACAD SCI P, V42, P73

[6] LUTZ HJ, 1941, J SEDIMENT PETROL, V11, P105

[7] The floatation of sand in nature. [J]. AMERICAN JOURNAL OF SCIENCE, 1941, 239 (08) : 594 - 607

[8] Potzger J. E., 1942, BUTLER UNIV BOT STUD, V5, P179

[9] Potzger J. E., 1942, AMER MIDLAND NAT, V28, P501, DOI 10.2307/2420833

[10] POTZGER J. E., 1941, AMER MIDLAND NAT, V25, P270, DOI 10.2307/2420774