Assertion details
Summary
river's current present 1 great impediment
CAUSE
for with a large fall 1
TRANSITIVE-OBJECT
to up-stream navigation 1
2 facets
Facet Type Facet cluster
for with a large fall 1 cause
to up-stream navigation 1 transitive-object
1 triples in cluster
current present great impediment 1
1 source sentences
Source: Shown
Subject: Shown
Predicate: Shown
Object: Shown
Facet: Shown
  • SRC Engineering works to increase the navigability of rivers can only be advantageously undertaken in large rivers with a moderate fall and a fair discharge at their lowest stage , for with a large fall the current presents a great impediment to up - stream navigation , and there are generally great variations in water level , and when the discharge becomes very small in the dry season .