David Zentner

3 Collection Items

• VHS fish virus found in Lake Superior

  MPR’s Bob Kelleher reports that a deadly fish disease has been confirmed in Lake Superior. Researchers have identified the disease known as VHS in fish taken from four places in the lake, including the Duluth-Superior Harbor. It is not known yet if that means fish populations are at risk in the big lake.

  Jan. 28, 20104 minSave
• A profile of Sigurd Olson, and his impactful book "The Singing Wilderness"

  There's a piece of paradise in northeastern Minnesota. It's called the Boundary Waters Canoe Area Wilderness (BWCA). Admirers credit the book "The Singing Wilderness," published in 1956, as part of the inspiration for creating the wilderness area; and they credit author Sigurd Olson for putting into words the reasons humans need wilderness. However, his views inflamed critics who feared Olson and other wilderness advocates worried more about habitat than humans.

  Jun. 6, 20068 minSave
• First anniversary of Reserve Mining stopping taconite disposal into Lake Superior

  Results show water quality has shown marked improvement since Reserve Mining stopped discharge of taconite tailings directly into Lake Superior. Environmentalists believe fibers found in the taconite tailings have carcinogenic characteristics of asbestos.

  Mar. 18, 19811 minSave