Does it cost money to have the NRCS come out and give you their recommendation?
YES...your taxes.
Hey Pond Warrior (almost used P-Warrior...too awkward

) You have 2 tried and true experts in your corner. Theo's prompt for exam of a topo map is fundamentally critical. Cecil's post about concern from interrupting a waterway is too. Finally, your note to reach out to the NRCS may help cover the whole Magilla. Your results would be interesting; each NRCS office across the nation reads a differing "attitude" handbook. This forum reports all ranges of competance and cooperation.
It took me 4 years to find the "right one". Regardless of the outcome of this property, be relentless...the ultimate score only documents the beginning of another rewarding journey.