You can find the number for your NRCS office listed in the phone book under federal government, US Department of Agriculture , Natural Resources Conservation Service . Conservation Districts also work with farmers and livestock owners, often for smaller, non-commercial places on similar land management practices. You can contact your local Conservation District by calling the NRCS office. The NRCS will be able to tell you the name, location and phone number of your Conservation District. Your county solid waste department may also be able to help you with more information on composting or other ideas for manure management.
Many books are available in the library on composting.