Assertion: aquifer's thickness | /r/CapableOf | range on african erosional surface
Facets:
value: from greater than 30 to 35
type: OTHER
Source sentences:
text: Weathering thicknesses range from greater than 30 to 35 m on the African erosional surface, to shallow, less than 30 m on the Post African and Pliocene/Quaternary surfaces.