Conservation in the Department of the Interior. Chapter on national parks, pp. 96-112. Government Printing Office, Washington, D. C. 1931. Price $1. Yard, Robert Sterling: The Top of the Continent. 1917. 244 pp., illustrated. Crater Lake on pp. 140-160. The Book of the National Parks. 1926. 440 pp., 74 illustrations, 14 maps and diagrams. Crater Lake on pp. 184-201. Panoramic View of Crater Lake National Park. 16½ by 18 inches; scale, 1 mile to the inch, Gives excellent idea of configuration of surface as seen from the air. Superintendent of Documents, Washington, D. C. 25 cents. Map of Crater Lake National Park. About 14 by 19 inches; scale, 1 mile to inch. United States Geological Survey, Washington, D. C. 10 cents. RULES AND REGULATIONS [Briefed] The Park Regulations are designed for the protection of the natural features and scenery as well as for the comfort and convenience of visitors. The following synopsis is for the general guidance of visitors, who are requested to assist the administration by observing the rules. Full regulations may be seen at the office of the superintendent and ranger station. _Fires._—Light carefully and only in designated campgrounds. Extinguish completely before leaving camp, even for temporary absence. Do not guess your fire is out—know it. _Camps._—Use designated campgrounds. Keep the campgrounds clean. Combustible rubbish shall be burned on camp fires, and all other garbage and refuse of all kinds shall be placed in garbage cans or pits provided for the purpose. Firewood is provided free of charge. Camping is restricted to 30 days. _Trash._—Do not throw paper, lunch refuse, film cartons, chewing-gum paper, or other trash over the rim, on walks, trails, roads, or elsewhere. Carry until you can burn in camp or place in receptacle. _Trees, Flowers, and Animals._—The destruction, injury, or disturbance in any way of the trees, flowers, birds, or animals is prohibited. _Noises._—Be quiet in camp after others have gone to bed. Many people come here for rest. _Automobiles._—Careful driving is required at all times for protection of yourself and other visitors. Your car must be equipped with good brakes, horn, and lights. Passing on curves is prohibited. Obey traffic rules. A gasoline and oil station is maintained on the main highway at park headquarters. Gasoline and oil may also be secured at the Rim Village. No other gasoline stations are available in the park. The fee for automobile permit is $1. _Dogs._—Dogs are prohibited in the park overnight and are not permitted in the rim concentration area. When not in an automobile, dogs must be on a leash at all times.