| watercourse pollution(expression, feature, course, current, stream) |
| flume(noun, stream, creek, streamlet) |
| headrace(noun, stream, creek, flume, streamlet) |
| natural watercourse(expression, feature, water, course, stream) |
| tidal stream(noun, expression, flow, flood, stream) |
| watercourse reserves(expression, feature, course, current, stream) |
| brook(noun, stream, creek, flume, streamlet) |
| tidewater river(noun, expression, flow, flood, stream) |
| watercourse culverts(expression, feature, course, current, stream) |
| watercourse of a stream(expression, water, structure, course, stream) |
| watercourse realignments(expression, feature, course, current, stream) |
| creek(noun, stream, flume, streamlet) |
| branch(noun, stream, creek, flume, streamlet) |
| existing watercourse(expression, feature, water, course, stream) |
| illegal watercourse(expression, feature, water, course, stream) |
| meandering watercourse(expression, feature, water, course, stream) |
| modified watercourse(expression, feature, water, course, stream) |
| runnel(noun, stream, creek, flume, streamlet) |
| streamlet(noun, stream, creek, flume) |
| structure of the watercourse(expression, water, structure, course, stream) |