140 



ALEX. L. DU TOIT. 



Hungerford, and some isolated instances near Charleville, 

 Longreach, Muckadilla, Darr River Downs and Normanton, 

 and it is regrettable that they should be so few in number. 



By utilising the figures given for the deeper and stronger 

 flowing bores, a fair idea can be gathered of the form of 

 the basin, or more correctly speaking, its shape at the base 

 of the principal water-bearing zone, a result which will be 

 of more real value after all, as will be seen later. On the 

 attached map (I) the sub-contours obtained in this way are 



Diagram I. — Contours over Floor of Basin; figures in hundreds of feet 

 below sea-level. 



given in hundreds of feet below sea-level, following the 

 plan adopted by Cameron. 1 



Though the irregularity in relief of the floor, as shown 

 by the outcrops of granite well within the basin, such as 



1 Ann. Progress Kept. Geol. Surv., Qu ensland, 1900, p. 10. 



