Displaying 1 - 4 of 4
Hall
Description not entered.
Type: Document
Year: 1973
Wilhelm
From the Conclusions ... 'Prior to becoming a national park, Shenandoah had gone through periods of indiscriminate logging, hunting, livestock grazing, and burning. Then the area entered the National Park System and shifted abruptly to a regime of…
Type: Document
Year: 1973
Heusser
[from the text] The science of palynology has come a long way since the presentation of the first paper on modern pollen analysis by Lennart von Post at Oslo in 1916. Like many sciences it was initiated as a rather narrow discipline and consisted…
Type: Document
Year: 1960
Rostlund
[no description entered]
Type: Document
Year: 1960