At a time of halt or readvance, interrupting this recession, another terminal moraine appears to have been accumulated, crossing the Churchill and Nelson rivers, as observed by Dr. Robert Bell.
(another terminal moraine; appears; T:At a time of halt or readvance) (another terminal moraine; to have been accumulated; ) (another terminal moraine; crossing; the Churchill and Nelson rivers)
another terminal moraine another terminal moraine another terminal moraine
appears to have been accumulated crossing
T:At a time of halt or readvance
the Churchill and Nelson rivers