natural drainage

In 1975 a drain was built by the University to improve natural drainage.

The southern part of the county has better natural drainage, and this area was first cleared for agriculture.

The water can then be treated before being returned to natural drainage basins.

First, they've been shrinking because of development and engineering changes to natural drainage in Louisiana.

Seven other rivers and six creeks serve as natural drainage for the city.

These rivers and its tributaries serve as natural drainage system.

The philosophy now, as he put it, is to let the landscape and natural drainage determine where development should occur.

Natural drainage from the surrounding hills filled the hole with water and created the present day lake.

We followed the line of a hedgerow, then cut across left into a natural drainage ditch.

Maintain natural drainage patterns to the Lagoon and surrounding area.

No protection for natural drainage lines inside the plantation.

Natural drainage of these soils is poor and they invariably flood in the winter.

More clearfell logging with no protection for natural drainage lines.

The lake was located in a tectonic depression without natural drainage.

Natural drainage and minimal clearing were observed as two basic design principles.

Bad natural drainage and heavy rain created this pond.

As the water had no natural drainage, it was calculated that probably 1000 million tons would have to be raised by mechanical means.

Terrain alterations also have the potential to disrupt natural drainage patterns.

Note the natural drainage line and note the potential for erosion at the head of the depression.

Rivers, which form extensive networks across the country, are natural drainage channels for surface waters.

Develop natural drainage systems where surface runoff infiltrates back into the soil.

Flood damage grew markedly after 1938, when surrounding natural drainage areas were lost to development and human activity.

The rising trend for paving over parts of gardens also reduces natural drainage.

Once completed, the project will allow for a natural drainage course through Lloydminster and reduce the risk of flooding in the community.

It is necessary to ensure good natural drainage.