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23443 Hays Road Manteca, CA 95337 June 3, 2009 Kevin Swanson San Joaquin County Community Development Department Development Services Division 1810 East Hazelton Ave. Stockton, CA 95205 1 am writing relative to Application No. QX-89-0003. I am writing in behalf Reclamation District 2075; The San Joaquin River Water Users Company, a non-profit water distribution company within RD 2075; and the Cardoza Brothers,landowners and farmers, who also divert water for use within RD 2075. My name is Alex Hildebrand. I am a board member of RD 2075,President of the San Joaquin River Water Users Co., and engineer for the South Delta Water Agency, SDWA. The parties I represent are very much opposed to the"Application for a Quarry Excavation Permit to extend quarry operations an additional 20 years". The extension would prolong and exacerbate the potential for a change in the path of the river which would be a disaster for the Protestants. --A meeting was held on June 2,2009 to discuss this permit application among Tony Alegre, his engineer Chris Neudeck, the Cardoza Brothers,Ed,John,'and Tony; Mary Hildebrand, secretary/treasurer of the San Joaquin River Water Users Company, and myself representing RD 2075. It was agreed that this permit application should be suspended for at least 90 days in order to consider the following alternative plan which could provide Alegre with more marketable material, and could provide it sooner,while also greatly reducing the risk to RD 2075 and its associated Protestants. The Geodetic Survey and the U.S. Corps have estimated that the San Joaquin River conveys an average about 250,000 years annually of sediment into the South Delta. This is less than the market for sediment. This sediment tends to settle to the bottom of the channels where ever and whenever the flow velocity is low or reversed during rising tide. Six to eight feet depth of sediment have settled out in the channel between Vernalis and Mossdale since the 1930's. Comparable amounts of aggradations have occurred in Old River and elsewhere. When I-5 was built across the River, substantial sediment was dredged from the nearby channel. In a few years the channel was again aggraded. The San Joaquin River Management Plan developed about ten years ago by the multi-agency and stakeholder group urged,in concept,that this sediment be removed by dredging deep reaches in the river channel which would trap sediments moving down the TIM Corps was m- strong support of the concept because sediment otherwise moves on down to the ship Channel where it is less