Question 1 What is the contour interval on the Ritter Ridge Quadrangle map? a. 20 ft. b. 30 ft. c. 40 ft. d. 50 ft. . 4 points Question 2 What is the scale of the Ritter Ridge Quadrangle map? a. 1:12,000 b. 1:24,000 c. 1:48,000 d. 1:10,000 . 4 points Question 3 Which of the following are true regrading the scale of the Ritter Ridge Quadrangle map? a. One inch on the map equals 24,000 inches in the actual world. b. One centimeter on the map equals 24,000 centimeters in the actual world. c. One foot on the map equals 24,000 feet in the actual world. d. all of the above e. none of the above . 4 points Question 4 What is the elevation of the Hauser Microwave Station on the Ritter Ridge Quadrangle map? a. 5000 ft. b. 5184 ft. c. 5200 ft. d. 5217 ft. . 4 points Question 5 What is the latitude (to the nearest minute) of the Hauser Microwave Station on the Ritter Ridge Quadrangle map? a. 34° 33² N b. 34° 33² S c. 34° 35² N d. 34° 35² S e. 34° 32² N f. 34° 32² S g. 34° 33² E h. 34° 32² W . 4 points Question 6 What is the longitude of the Hauser Microwave Station on the Ritter Ridge Quadrangle map? a. 118° 12² N b. 118° 12² S c. 118° 12² E d. 118° 12² W e. 118° 13² N f. 118° 13² S g. 118° 13² E h. 118° 13² W . 4 points Question 7 What does the symbol œBM refer to on these maps? a. Bit Map b. Binary Meter c. Bench Mark d. Below Mean . 4 points Question 8 What is the approximate horizontal distance (in feet) from Lake Palmdale to the small reservoir directly west of the lake on the Ritter Ridge Quadrangle map? a. 1000 ft. b. 9000 ft. c. 5000 ft. d. 3000 ft. . 4 points Question 9 Approximatley how much would you rise in elevation (in feet) when going from Lake Palmdale to the reservoir? a. 40 ft. b. 120 ft. c. 220 ft. d. 320 ft. . 4 points Question 10 What is the declination on the Ritter Ridge Quadrangle map? a. 15 1/2° b. 0°40² c. 12 MILS d. 1958 . 4 points Question 11 What is the elevation of the base of the Washington Monument on the Washington East Quadrangle map? (located northeast of the Tidal Basin) a. 10 ft. b. 20 ft. c. 30 ft. d. 40 ft. . 4 points Question 12 What is the length (in feet) of the Reflecting Pool from one side to the other? (located due west of the Washington Monument) a. 1000 ft. b. 2000 ft. c. 4000 ft. d. 8000 ft. . 4 points Question 13 What is the straight line distance (in miles) between the White House and the U. S. Capitol? a. 1 mile b. 1.2 miles c. 1.4 miles d. 1.6 miles . 4 points Question 14 Referring to the declination symbols on the bottom of the Washington West Quadrangle map, what does the œstar represent? a. grid north b. point of interest c. geographic north d. magnetic north 4 points Question 15 What is the approximate distance (in feet) along RockCreek (following the course of the creek) between the Taft Bridge and the point that it empties into the Potomac River? a. 12,000 ft. b. 15,000 ft. c. 18,000 ft. d. 20,000 ft. . 4 points Question 16 What is the same distance (determined in the previous question 15) along Rock Creek in kilometers? a. 1.5 km b. 2.5 km c. 3.5 km d. 4.5 km . 4 points Question 17 Given that the elevation of Rock Creek at the Taft Bridge is 20 ft. above sea level, and its elevation at the point where it enters the Potomac River is at sea level, what is the gradient of Rock Creek between the Taft Bridge and the Potomac River? a. .0017%% b. 0.017% c. 0.17% d. 1.7% e. 17% 4 points Question 18 Which of the four landmarks (Lincoln Memorial, Jefferson Memorial, Washington Monument, U.S. Capitol) is at the lowest elevation and will be the first to be impacted by rising sea levels in the future (the Potomac River is tidal at this location and thus highly influenced by sea level) a. Lincoln Memorial b. Jefferson Memorial c. Washington Monument d. U.S. Capitol . 4 points Question 19 How long of a walk is it (in miles) from the U.S. Capitol to the Lincoln Memorial and back to the U.S. Capitol? a. 1.1 miles b. 2.2 miles c. 4.4 miles d. 8.8 miles 4 points Question 20 How many degrees latitude (range) are presented on the entire Washington West Quadrangle map? a. 7° 30² b. 38° 52² 30³ c. 77° 00² d. 39° 00² 4 points