This is a Sources Sought notice for market research to identify capable small businesses for a potential future Indefinite Delivery Indefinite Quantity contract for hydrographic survey and mapping services. The potential contract would have a total value of $7 million over a five-year period. The primary performance location is within Washington, Oregon, and Idaho, with possible work in other Northwestern Division states. Required services include a wide range of hydrographic, topographic, geodetic, and remote sensing surveys, which must be supervised by certified professionals. Interested firms must submit a capability summary via email by the specified time.