126297
A USGS stream gauge on the creek near Bradford recorded a mean annual discharge of during water years 1931 - 2019 .
 USGS, Bradford
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 USGS, Bradford