A $125,000 contract for design and development of an experimental diking system that would turn part of the eastern portion of the Great Salt Lake into a freshwater reservoir was approved Monday by the Davis County Commission.

The money will go to Bountiful architect Don D. Johnson, a proponent of the project and director of the Lake Wasatch Coalition.The Utah Legislature appropriated $100,000 in 1988 to study the feasibility of building dikes between the lake's eastern shore and Antelope and Fremont islands. Proponents say rivers and streams flowing in would eventually create a freshwater impoundment.

The money is being administered on a matching fund basis by Davis County. The county's portion can be in services, such as administrative and construction work.

The Lake Wasatch Coalition is petitioning the Legislature to establish an improvement district around the lake to raise money to build the dikes.