Visual display of the Aldo Leopold papers : 9/25/10-2 : Organizations, Committees

     Discussion on Erosion Control of the Brule River - 
     Evening of April 27 at the Brule River Ranger Station 
     Persons In attendance: 
          Mr. Schweers           Comm. Leopold 
          Prof. Zeasman          Mr. O0Donnell 
          Prof. Bean             Mr. Thomson 
          Dean Russell           Prof. Rusech 
          Dr. Hasler             Dr. Schneberger 
     During the day, Messrs. Schweers and Zeasman were taken 
through the Brule River Valley to make an inspection of the 
sources of erosion and silt contribution to the Brule River 
water shed, 
     The discussion in the evening was in the form of a summary 
of the findings of the day. 
     The four contributing factors to the turbidity of the Brule 
River are as follows: 
     1. Nebagamon Creek 
     2. Clay banks along the river 
     3. Highways 
     4. Agricultural land 
     During the discussion, it was pointed out that the contribu- 
tion from farms was probably very minor and could be disregarded 
altogether. However, to check on this item, an interview with 
farmers was to take place the following day. Mr. Schweers and 
Mr. O'Donnell make one team, while Mr. Zeasman and Dr. Schneberger 
would be the other team, and definite areas were assigned. 
     Upon further discussion of the erosion problem, the matter 
seemed to boll down to two principal items, namely the banks of 
the stream and the highways as being the principal contributors 
to the silt load of the stream, Control and correction measures 
were then discussed and it appears that the only corrective measure 
that could be applied to the places where the stream banks are 
eroding would be that of rip-rapping. The cost of this would be 
approximately $1,000 per area and since there are 27 to 30 such 
areas, it was believed that the cost would be excessive and 

prohibitive and in addition would not carry sufficient returns 
on the amount of money invested. It was, however, the consensus 
of opinion that considerable improvement could be brought about 
by correcting the erosion from the highway drainage ditches, 
The approach to the problem would be as follows: 
     1, Public education of the highway engineers. 
     2. Correcting the erosion in highway ditches using other 
         than highway funds. This would be in the nature of 
         experimental and demonstrational Preas. 
     3. It was decided thpt Dean Russell and Commissioner Leopold 
         would contact James R. Law, cheirman of the highway 
         commission, for a discuseion on the matter. 
     In conclusion, it was agreed that Mr. Schweers, Prof. Zeasman 
and Prof. Bean would make a report on the reconnaissance survey 
on erosion of the Brule River valley.