Assertion: alluvial fan's area | /r/HasProperty | kesel
Facets:
Source sentences:
text: They are especially useful for correlation and dating purposes, and have been used in this way on Quaternary fans in humid regions (e.g., Harvey, 1996a), in tropical areas (Kesel and Spicer, 1985), but above all in arid and semiarid regions (Wells et al., 1987; McFadden et al., 1989; Bull, 1991).