Assertion: aquifer's flow | /r/AtLocation | borehole
Facets:
value: at rabah
type: LOCATION
value: at sokoto
type: LOCATION
Source sentences:
text: Clay in the lower part of the Rima Group confines the Gundumi aquifer downdip, so that at Rabah and Sokoto, for example, in the River Sokoto fadama (valley floor), artesian flow is found in boreholes screened in the Gundumi.