1
2		3
																4
		5
6											7
8

Across 3. Land area that delivers the water, sediment, and dissolved substances via small streams to a major stream. 6. Porous,water-saturated layers of sand,gravel, or bedrock that can yield an economically significant amount of water 8. Moveement of salt water into freshwater aquifers in coastal and inland areas as groundwater is withdrawn faster than it is recharged by precipitation.

Down 1. Legal principle by shich the first user of water from a stream established a legal right to continued use of the amount originally withdrawn. 2. System of water law that gives anyone whose land adjoins a flowing stream the right to use water from the stream, as long as some is left for downstream users 4. Upper surface in which all available pores in the soil and rock in the earth's crust are filled with air and water. 5. Water flowing off the land into bodies of surface water. 7. Purification of salt water by removal of dissolved salts.