Scientists who study the park's wolves and moose say the wolf was a loner and had been attacked by other wolves before escaping this winter across a Lake Superior ice bridge.
Crews have placed oil-absorbing booms and sandbags along railroad tracks in southeastern Minnesota to soak up oil that leaked out of a tanker car last month.
The Minnesota Center for Environmental Advocacy and Friends of the Boundary Waters Wilderness last week sent letters to the state Department of Natural Resources and the federal agencies overseeing the study, citing missing data associated with the nearly 2,200-page document.
The Straits of Mackinac is drawing attention for something that is out of sight and usually out of mind, and which some consider a symbol of the dangers lurking in the nation's sprawling web of buried oil and natural gas pipelines.
A 175 percent increase in irrigation pumping over 25 years has caused the Minnesota Department of Natural Resources to single out this west central Minnesota area as one of three places to focus on groundwater management.