Entity_and_Attribute_Overview:
These subwatershed files are related to other tables of information within the EBTJV - specifically, allmetrics, ebtjv_subwatersheds, final_categories, model_results, node_prob_pruned, node_probabilities, perturb_biologists_ratings. The relationship is through the field called "HUC_CODE" (the unique HUC identification of the watershed).