TY - RPRT TI - Groundwater tracing used to delineate recharge areas and map karst groundwater pathways for subterranean streams at Oregon Caves National Monument and Preserve AU - Benjamin V. Miller PY - 2026 DO - 10.3133/sir20255084 UR - https://pubs.usgs.gov/publication/sir20255084 ID - sir20255084 ER -