Show water hole Is 1 dry by PAY di water wilter tal bt f A curious form of deserts of vesa watt found in the trails dry by day but aleidi tle M abundant supply of water by the flow of water is preceded pa 11 i weird hissing and rounds ol of va was it air on examining one I 1 i that the water supply occurred oc currel a i bottea trench at the iteli tt eli long narrow of P which was a thin plate gaa specie of rock arrange arranged arr aneed d to the a cavity from fioril y ah separated by 1 I rock mass bel beneath leath APP lite h P heat of the day causes this hii A of a dep aebi expand in the form la in which the water betre retreats ats 4 it TA contracts at ns cools and do back A first air and then water trench |