Standards and Specifications. NRCS field office technical guide standards and specifications as of January, 1995: 1. 330 − contour farming; 2. 500 − obstruction removal; 3. 606 − subsurface drain; and 4. 645 − wildlife upland habitat management.
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Samples: Nonpoint Source Pollution Abatement Program, Nonpoint Source Pollution Abatement Program, Nonpoint Source Pollution Abatement Program
