Downslope water flow in channels erodes the surface of the land by
 downcutting.
 headward erosion.
 slope retreat.
 *all of the above.
 none of the above.

The most common type of drainage pattern is known as
 *a dendritic drainage pattern.
 a rectangular drainage pattern.
 a trellis drainage pattern.
 a radial drainage pattern.
 an annular drainage pattern.

Refer to the Dolomite Quadrangle map supplied with lab materials for questions 3-5.
Using the bar scale provided at the bottom of the map, measure the distance in miles along the Owens River between the 3,570 foot contour and the maximum water level of Owens Lake at the bottom of the map.  The distance is
 about 1/2 mile.
 *about 2 3/4 miles.
 about 5 1/2 miles.
 about 10 1/4 miles.
 about 18 3/4 miles.

What is the difference in elevation between the above two points?
 five feet
 *ten feet
 twenty feet
 forty feet
 sixty feet

The stream gradient of the Owens River between the above two points is
 *3.63 feet per mile.
 6.63 feet per mile.
 12.63 feet per mile.
 24.63 feet per mile.
 48.63 feet per mile.

If the stream channel width of the Owens River in this area is 18 feet and the water depth is 2 1/2 feet, the cross-sectional area of the water flow is
 12 square feet.
 25 square feet.
 *45 square feet.
 84 square feet.
 162 square feet.

If the velocity of water flow is 7 feet per second, the discharge of the Owens River in this area is
 15 cubic feet per second.
 35 cubic feet per second.
 75 cubic feet per second.
 155 cubic feet per second.
 *315 cubic feet per second.

What would happen to the stream competence of the Owens River if, during a flood, the flow velocity increased fourfold?
 it would double
 it would triple
 it would increase fourfold
 it would increase eightfold
 *it would increase sixteenfold

Questions 9 and 10 are general questions about river systems.
Which of the following are examples of the loads that streams move? (See p.363 text)
 saltation, traction and "float" loads
 dissolved, "float" and turbulent loads
 suspended, dissolved and turbulent loads
 *suspended, dissolved and bed loads

Choose the correctly associated areas with their drainage patterns.  (See p.238, 355 and 379 text)
 Mt. Hood (a composite volcano) - rectangular
 *Missouri-Mississippi River drainages - dendritic
 Mt. Rainier ( a composite volcano) - trellis
 Mississippi-Ohio River drainages - annular
 Mississippi River drainage - trellis