This datafile contains results of 222Rn analysis of samples collected within the Salmon Creek Watershed in Sonoma County, Califonia. Please see Woelfle-Erskine et al. (2017) for site location details. The present dataset is provided in support of Larsen and Woelfle-Erskine (in review).

The purpose of this dataset was to determine relative ages of water samples.

Data were collected in 2016 in the Fay Creek and Tannery Creek watersheds, both second-order tributaries of Salmon Creek.

For further information, please see the metadata file.

Samples were collected in 2-L plastic vials. Concentrations were measured with a RAD7 radon meter at the New Mexico Institute of Technology by Jesus Gomez-Velez.

Please see data dictionary in attached metadata file.