Given a text, write a compressed version of it in a single sentence.

The other name, native well is, as a later explorer David Carnegie, author of Spinifex and Sand ( 1898 ), points out, a misnomer. He believes native wells are essentially rock-holes ( depressions in rock ) buried in fairly shallow sand, which, when hollowed out by the natives, appear to be wells.
Explorer David Carnegie believes native wells are rock-holes buried in shallow sand which, when hollowed out by natives, appear to be wells.