Topanga mineral springs WTF[1]
1927 hot springs[2]
<ref name="LAT-1937">{{Cite news |date=1937-12-17 |title=Southland's Spas Varied [Part 1 of 2] |url=https://www.newspapers.com/article/the-los-angeles-times-southlands-spas-v/139717487/ |work=The Los Angeles Times |department=Annual Winter Resort and Travel Number |pages=III-1 |volume=LVII}} & {{Cite news |title=Scores of Hot Springs Located in Southland [Part 2 of 2] |url=https://www.newspapers.com/article/the-los-angeles-times-scores-of-hot-spri/139717641/ |pages=III-1}}</ref>
<ref name="Bischoff-FalconGuides-2018">{{cite book |last=Bischoff |first=Matt C. |title=Touring California and Nevada Hot Springs |publisher=FalconGuides |year=2018 |isbn=978-1-4930-2912-9 |series=Touring Hot Springs |chapter=28. Dirty Sock Hot Spring}}</ref>