References Rhythmic spring

john d. mather (2013). history , hydrogeology of laywell, celebrated ebb , flow spring @ brixham, devon . report & transactions of devonshire association. 145: 133–154. 
visit 1 of star valley s attractions: intermittent springs , star valley wyoming online, valley computer services 
periodic intermittent spring , wyomingtourism.org, wyoming travel & tourism, state of wyoming 
rhythmic karst springs