{ "$schema": "https://json-structure.org/meta/core/v0/#", "$id": "https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-structure/cip-service-nhdplus-version-structure.json", "name": "nhdplus_version", "description": "NHDPlus version used in CIP indexing.", "type": "string", "enum": [ "nhdplus_m", "nhdplus_h" ] }