1.   Equally threatening are the dozens of federally subsidized cattle ranches that have depleted underground water sources used by antelope and bighorn sheep.

2.   It is therefore important to find a Martian water source that requires the least mass of equipment and the minimum power consumption.

3.   This applies to protection from rain and other water sources.

4.   Polluted water sources are a hazard to wildlife.

5.   They lay mine fields or clear them up, provide demolitions and surprisingly provide the water source for units in action.

6.   The dumps were generating explosive gases and leaching noxious chemicals that polluted underground water sources.

7.   The water source is a constant trickle in a well dug beneath what is now the living room but which used to be the Pump room.

8.   The council says the water source is too close to another bore hole which has been ear-marked to bring water into Monaghan town eight miles away.

9.   Although the tribal water may offer a readily available, renewable water source, some city officials worry about its long-term stability.

10.   And the water sources for the plant, he said, are vast.