Unlike the semi-protected harbor located in the Duluth and Superior area, the Ashland Harbor lies open to Lake Superior. Geographically it is sited on the southeast border of Chequamegon Bay, a natural embayment wedged ...

The Duluth-Superior harbor is a natural port created as a result of the formation of a unique bay mouth sand bar which, over a period of years, has been modified into two points .of land termed Minnesota and Wisconsin ...

This report, the second of a sequence, was compiled during the period 4 September, 1974 to 31 January 1975, by personnel of the Center of Lake Superior Environmental Studies (CLSES) of the University of Wisconsin, ...

Influence of red-clay turbidity on survival, growth and distribution of larval lake herring, Coregonus artedii, was measured by holding post hatch larvae for 62 days at 9 levels of suspended solids varying from 2 to ...

Fishing represents a most important recreational activity and a significant commercial enterprise in northern Wisconsin. The quality of the o:riginal resource is best defined from the writings of early travelers on ...

During the past 10 years, I have spent between 20 to50 days per season on Lake Superior aboard one of the University research vessels, a commercial vessel, or sport trolling. Like most other sportsmen, I am thrilled to ...

In the early 1900s, rainbow smelt were planted in the Great Lakes by the State of Michigan and the U. S. Bureau of Commercial Fisheries (p esently, the U.S. Fish and Wildlife Service). Because smelt have been around ...

Much of what we know about ecosystems and the influence of human activity on them is based upon the study of individual plant and animal populations. Determining the age of population members is key to understanding the ...

Troutperch (Percopsis omiscomaycus) are found in northern lakes ranging from northern Canada to the northern United States. They occur at depths from 0-55 fathoms, but are most commonly found at depths of less than 30 ...

Six sites in the Duluth-Superior Harbor have been sampled. The sites 1 (Allouez Bay area), 2 (Superior Ore Docks area), 3 (Lakehead Transshipment Terminal area), 4 (Superior Sewage Treatment Plant area) and 6 (Minnesota ...