Hunbl-121

Often associated with smolt trap or river monitoring sites.

Based on your request, refers to "Hunters Boat Launch," a specific river site location (relsite: HUNBL) in the Upper Columbia River region (huc: 17020001). Contextual Information: Location: Hunters Boat Launch, Upper Columbia River Basin. hunbl-121

If you can provide more context on the (e.g., fisheries, hydropower, environmental report) or where you saw the code, I can try to locate a more specific document for you. Often associated with smolt trap or river monitoring sites