Accuracy,1,74Acknowledgments,viii,xiAerial photo-hydrography,99Aerial photo-topography,93Air photographs, how to read,4;improvements under way,102;oblique and vertical,1;value in coast charting,93,99,101Air photography, application,ix;development,ix;elements to be recorded,2;outlook,102Air Services, co-operation,xiAircraft,xAirplane photography.SeeAir photographyAliso Creek, California,68Amundsen, Roald,71Anacostia flats, D. C.,12Anacostia River,13,22(ill.);land along, mosaic photograph, opp.32(Fig. 13)Animal trails,29,39Annapolis, 7.See alsoUnited States Naval AcademyArabian coast,101Architects,7,11Architecture,11Arizona, southern,71Arroyos,61,65(ill.)Atlantic City, N. J.,32(ill.)Atlantic Coastal Plain,27;meandering streams,50;salt marsh areas,32(ill.);submarine land forms,45Atlantic Ocean, waves and surf,91(ill.)Back River, Virginia,76Bagley, J. W.,xii,74Baltimore and Annapolis Railroad bridge,9(ill.),10Barnegat Bay,85Barnegat Inlet,84(ill.),85Barrier beaches,41;between Brigantine and Little Egg Inlets, New Jersey,86(ill.);cities and surroundings,32(ill.);inlet formation through,81(ill.);Long Branch, N. J.,18(ill.);tidal inlet through, Beach Haven, N. J.,85(ill.).See alsoBeachesBeach Haven, N. J., cusps,80(ill.);inlet formation through barrier beach,81(ill.);tidal inlet,85(ill.)Beaches, bluff and beach on shore of York River,77(ill.);cusps near Beach Haven,80(ill.);Far Rockaway, Long Island,100(ill.);sandy, with cusps—Sandy Hook,78(ill.).See alsoBarrier beachesBear’s Cut, Florida coast,96(ill.)Belmar, N. J., tidal delta,82(ill.)Benning, Camp, opp.26, opp.50Benning, D. C.,13,22(ill.)Benning Road,13Benning Road Bridge, opp.22(ill. and map)Bidwell, Lake, California,62(ill.),63(map)Bluffs,83;beach and bluff on shore of York River,77(ill.)Board of Surveys and Maps,72Boundary disputes,26;Texas-Oklahoma,51(ill.)Braided channels,50,51(ill.)Brigantine Inlet, New Jersey,86(ill.),87;recurved spit,88(ill.)Bridges,11;Baltimore and Annapolis Railroad,9(ill.),10;Benning Road, opp.22(ill. and map);Hell Gate,11,15(ill.);Pennsylvania Avenue, opp.22(ill. and map)Bronx Borough, Port Morris section,15(ill.)Bronx Kill,15(ill.)Brooks, A. H.,69,71Buildings, construction records,11;pictures from a new angle,7Calabasas, Cal., topographic sheet,65Cameras, adaptation,2;automatic data records,2;construction experiments,35;Eastman mapping, recording symbols,2,3(ill.);faithfulness,23,26;human eye and,5,101;panoramic,xii;stereoscopic,6;use,x;use in map-making,72;value in coast charting,93,99,101Camouflage,5,6Camp Benning, Ga., opp.26, opp.50Canyons,57;Pecos River,70(ill.);Santa Monica Mountains,66(ill.),67(map)Cape Charles, Virginia,43;sand bars,99(ill.)Capitol, National, frontispiece,7Catawba “Island,” Ohio,72,73(ill. and map)Channels, Far Rockaway, Long Island,100(ill.);Miami, Fla,96(ill.),97(ill.),102;Potomac River, tributary,101;underwater,93(ill.),94. (ill.),95(ill.)Chanute, Octave,ixCharting,72;coast,83,88Chattahoochee River, opp.50(ill. and map)Cherry Point, Virginia,46(ill.),47(map)Chesapeake Bay,xi;Lambs Creek on,48(ill.);low lands along,87;marshlands difficult to chart,76(ill.);wavy surface,90(ill.).Cinder Cone, California,57,62(ill.),63(map);top,64(ill.)City geography,17(ill.), opp.26,54(ill.), opp.74,79City planners,1,11City planning,12(ill.);Columbus, Ga., opp.26(ill. and map)Clouds Rest, California,60(ill.)Coast Charting,83,88Coast surveys, experiments in mapping in United States, France, etc.,88Coastal mud flats.SeeMud flatsColonial Beach, Va.,83,87Color screen,102Columbus, Ga., opp.26(ill. and map);meanders near,50, opp.50(ill. and map)Columbus, Ga.-Ala., topographic sheet, opp.50Construction records,11Controls,74Coral islands,93Corona, Cal., topographic sheet,68Corsons Inlet, New Jersey,28(ill.)Cousaic Marsh, Virginia,34(ill.),35(map);details,31(ill.)Craters,27,57;Cinder Cone, California,62(ill.),63(map),64(ill.)Cusps, Beach Haven, New Jersey,80(ill.);Sandy Hook,78(ill.)Dayton, Ohio,56Deanewood, D. C.,13Deltas, underwater,33(ill.),45,82(ill.),83(ill.),84(ill.),85(ill.)Depressions and elevations, interpreting,4,5District of Columbia, Anacostia flats,12Drainage systems,27;Lee Marsh, Virginia,30(ill.).See alsoMarsh drainageDrowned topography,45;terraces at mouth of Piankatank River,46(ills.);valley—Lambs Creek, Virginia,48(ill.);valley—Roberts Creek, Virginia,94(ill.),102East Rockaway Inlet, Long Island,100(ill.)Eastern Shore of Virginia,41;mud-flat area, stream system,42(ill.),43(ill.)Eastman mapping camera, opp.74;recording symbols,2,3(ill.)El Capitan,60(ill.)Elevations and depressions, interpreting,4,5Ellipse, Washington, D. C.,16(ill.)Eltham Marsh, Virginia,36(ill.),37(map),39Emulsions,102Engineering,11;projects covering large areas,12, opp.22(ill. and map)Erie, Lake,72,73(ill. and map)Erosion, headward,57,65(ill.),68(ill.)Everglades,27Exploration,71Exposure,102Eye versus camera,5,101Far Rockaway, Long Island,100(ill.)Filters,102Fishing Bay, Virginia,46(ill.),47(map)Flats.SeeMud flatsFlood plain,33(ill.)Florida coast, channels and shoals near Miami,96(ill.),97(ill.),102;coral heads and pinnacle rocks,93Flowerfield, Mich.,52(ill.),53(map)Forests,23Gardens,12Genesee River, opp.74(ill. and map)Geologic maps,69Geology,69Glacial drift plain,52(ill.)55Glaciers,57;glacial gorge, Mt. Shasta,59(ill.);Mt. Shasta,58(ill.)Gloucester Point, Va.,77,83Goddard, G. W.,72Gorges,57,61;Genesee River, opp.74. (ill. and map);glacial gorge on Mt. Shasta,59(ill.);San Joaquin Hills, California,68(ill.);Yosemite Valley,60(ill.)Grand Trunk Railway, near Schoolcraft, Mich.,56(ill.)Great Plains,50;river channel—Red River,51(ill.)Gwynn Island, Virginia,46(ill.),47(map)Half Dome,60(ill.)Hampton, Va., small stream near,33(ill.)Headward erosion,57,65(ill.),68(ill.)Hell Gate Bridge,11,15(ill.)Hereford Inlet, New Jersey,98(ill.)Hill Marsh, Virginia,34(ill.),35(map),38Hooks.See underSpitsHotlum Glacier, Mt. Shasta,58(ill.),59Hudson River and West Point,8(ill.)Ice cap,57Inclinometer,2,3(ill.)Index map showing areas photographed,75Inlets, formation through barrier beach,81(ill.);Hereford Inlet, New Jersey,98(ill.);River, New Jersey,82(ill.);tidal—Beach Haven, N. J.,85(ill.)Introduction,ixIroquois, Lake, opp.74Islands, tied,77(ill.);at Napatree Point, Rhode Island,92(ill.)Ives, H. E.,6,79James River and Mulberry Island,24(ill.),25(map)Jones, E. Lester,74,88Jones, John Paul,7;mausoleum,9(ill.)Kenilworth, D. C.,13Kettleholes,52(ill.),53(map),55,56(ill.)Kilmarnock, Va., topographic sheet,47Lambs Creek, Virginia,48(ill.)Land forms, submerged,45Landscape gardeners,1,11Landscape gardening,11,12(ill.),13(ill.);Long Branch, N. J.,18(ill.)Langley, S. P.,ixLangley Field,xiLassen Peak,57,62(ill.),63(map)Lassen Peak, Cal., topographic sheet,63Lava,62Lee, Robert E., statue,12(ill.)Lee Marsh, Virginia,36(ill.);details,30(ill.)Library of Congress,7Little Egg Harbor, New Jersey,81,85Little Egg Inlet, New Jersey,86(ill.),87,91(ill.)Little Hell Gate,15(ill.)Long Beach, Long Island,100(ill.)Long Beach, New Jersey,84(ill.),85Long Branch, N. J., part, showing barrier beach development,18(ill.)Long Island, East Rockaway Inlet,100(ill.);Far Rockaway bars, channels, beaches, and marsh,100(ill.);Rockaway Beach,11,17(ill.);Hell Gate Bridge to,15(ill.)Los Angeles,79;map of region between Santa Monica and,67Lower Cedar Point, Maryland,87(ill.)Ludlam Beach, New Jersey,28(ill.)Map, index of photographed areas,75Mapping, city,79;from the air,72Mapping camera, opp.22;experiment with,53,56Maps, air mapping and,74;air photograph adjustment,35;use of air photographs in revising,79Marsh drainage,27,29Marshes,27;Chesapeake Bay, difficult to chart,76(ill.);details of drainage,30(ill.);details of frequently submerged,31(ill.);Far Rockaway, Long Island,100(ill.);salt marsh areas of coastal plain,32(ill.);salt marsh features,92;stream development in tidal marsh,28(ill.)Mathews, Va., topographic sheet,47Mattaponi River,29,36,38Meanders,33(ill.),38;abandoned,50;Chattahoochee River, opp.50(ill. and map);marsh,27Menoher, C. T.,xiMexican border,71Miami, Fla, channels and shoals,96(ill.),102;dredged channel,97(ill.),102Michigan, glacial drift plain,52(ill.),53(map)Military Academy.SeeUnited States Military AcademyMilitary observation,4,6Mjöberg, Eric,71Monument Avenue, Richmond, Va.,12(ill.)Moraines,52(ill.),53(map),55,57;Mt. Shasta,59(ill.)Mosaics,12,20,22(ill.);Anacostia River, D. C., land along, opp.22(Fig. 13);Columbus, Ga., opp.26(Fig. 17);Mulberry Island, Virginia,24(ill.);Rochester, N. Y., opp.74(ill. and map)Mountains,22,27;features,57;of volcanic origin—Cinder Cone, etc., California,62(ill.),63(map)Mud flats,36;coastal,41;stream channels and,42(ill.),43(ill.)Mulberry Island, Virginia,24(ill.),25(map)Mumfort Islands, Virginia,77Muskrats,29,39Napatree Point, Rhode Island,92(ill.)Naval Academy.SeeUnited States Naval AcademyNew angles,7New Guinea,7New Kent, Va., topographic sheet,27,35,37New Point Comfort, spit,90(ill.)New York Connecting Railroad Bridge.SeeHell Gate BridgeNew York Harbor,xiNewport News, Va.,xi,11;shipyards,14(ill.)Oblique photographs,1Ocean City, N. J.,32(ill.);hook,89(ill.)Oil, prospecting for,71Ores,69Orientation,61Oxbows,33(ill.),50Pamunkey River,29,36,38;Cousaic Marsh,31(ill.);Eltham Marsh,36(ill.),37(map):marshes,27;Sweet Hall Marsh,34(ill.),35(map)Panchromatic film, opp.74Paris, mapping,79Pecos River,70(ill.)Pennsylvania Avenue Bridge,13, opp.22(ill. and map)Perry, Commodore,72Photographs, mosaic.SeeMosaicsPhotography, airplane.SeeAir photographyPiankatank River, Virginia, drowned terraces at mouth,46(ills.)Pictures from new angles,7Plains, glacial drift,55;glacial drift, Michigan,52(ill.),53(map);photographing from the air,50Popes Creek, Virginia,83(ill.)Poquoson River, Virginia,76,94(ill.)Port Clinton, Ohio,72,73(ill. and map)Potomac Park, Washington, D. C.,16(ill.)Potomac River,xi,16(ill.);channels, tributary,101;Lower Cedar Point, spit,87(ill.);Popes Creek and,83(ill.);Powells Creek and,93(ill.);Quantico Creek and,95Potter, Lieutenant, opp.74Powells Creek, Virginia,93(ill.),101Put-in-Bay,72,73(ill. and map)Quantico Bay,95(ill.)Quantico Creek,95(ill.)Rahbeg, Arabia,101Railroads,23Randalls Island,15(ill.)Ray filter,102Reconnaissance work,69,71Red River, Texas-Oklahoma,50,51(ill.)Relief, means for showing,5;representation on maps,66Revision of maps,79Richmond, Va., Monument Ave., etc.,12(ill.)Rivers,22;Plains—Red River,50;miniature system,33(ill.)Roads,23Roberts Creek, Virginia,94(ill.)Rochester, N. Y.,2, opp.74(ill. and map)Rochester, N. Y., topographic sheet, opp.74Rockaway Beach, Long Island,11;part, showing development,17(ill.)Rocks, Florida coast experiment,93;sedimentary,69,70(ill.);study of,69Royal Arches, California,60(ill.)San Joaquin Hills, California,68(ill.)Sand bars,45,46(ill.);Cape Charles, Virginia,99(ill.);Far Rockaway, Long Island,100(ill.)Sandy Hook, N. J.,78(ill.)Santa Monica, Cal.,65,66;map of region between Los Angeles and,67Santa Monica Mountains,57,66(ill.),67(map)Santa Monica, Cal., topographic sheet,67,79Scale in vertical photographs,viii,74Schoolcraft, Mich.,54(ill.),55(map),56,72;kettleholes near,56(ill.)Schoolcraft, Mich., topographic sheet,53,55Seashore,22Sedge grass,29,30,38Sentinel Rock,60(ill.)Sepulveda Canyon, California,66(ill.),67(map)Sevenmile Beach, New Jersey, spit and shoal,98(ill.)Severn River, Virginia,7,9(ill.)Shadows,5,61Shark River Inlet, New Jersey,82(ill.)Shasta, Mt.,57,58(ill.);glacial gorge on,59(ill.)Shipyards,11;Newport News,14(ill.)Shoals,45,84(ill.),85,94(ill.);Hereford Inlet, New Jersey,98(ill.);Miami, Fla.,96(ill.),97(ill.),102Shore features,83Shrubbery,13(ill.)Sierra Nevada Mountains, Cal.,62(ill.),63(map)Silt,29,36,39Simi Hills, California,65(ill.)Simons, J. W., Jr.,xiSky, cloudy and overcast,49Spa Creek, Maryland,7,9(ill.)Spits, lines of growth, Tucker Beach, New Jersey,91(ill.);recurved,88(ill.),89(ill.),90(ill.);Sevenmile Beach, New Jersey,98(ill.);simple spit,87(ill.)State-War-Navy Building, Washington, D. C.,16(ill.)Stereoscopic camera,6Stevens, A. W., opp.74,89Stone Canyon, California,66(ill.),67(map)Stonington, Conn.,92Stove Point Neck, Virginia,46(ill.),47(map)Stream channels and mud flats,41,42(ill.)Streams, development in tidal marsh,28(ill.)See alsoRiversSubmarine geography,45Submarines,101Submerged land forms,45Submerged objects, detection,101Sunken mines,101Sunlight,49Surface, general aspects as seen from the air,22Swamps,27Sweet Hall Marsh, Virginia,34(ill.),35(map),39Swiss school of hill shading,66Terraces, underwater,15,94(ill.)Texas-Oklahoma boundary,51(ill.)Thomas, H. H.,101Thoroughfares,34(ill.),35(map),39;Eltham Marsh,36(ill.)Tidal Basin, Washington, D. C.,16(ill.)Tidal deltas,82(ill.),83(ill.);Barnegat Inlet,84(ill.),85Tidal inlet, Beach Haven, N. J.,85(ill.)Tidal marshes, stream development,28(ill.)Tied island,77(ill.);development—Napatree Point, Rhode Island,92(ill.)Tombolos,92(ill.)Topographic mapping,72Treasury Building, Washington, D. C.,16(ill.)Trees,13(ill.)Tucker Beach, New Jersey, spit,91(ill.)Underwater topography,45;best conditions for photographing,47;channel in Quantico Bay,95(ill.);channels (natural) at Miami, Fla.,96(ill.),102;channels, shoals, terraces—Roberts Creek, Virginia,94(ill.);Chesapeake Bay,90(ill.)United States Army Air Service,viii,xi,xiiUnited States Coast and Geodetic Survey,74;coast line charting,87,88;Florida coast experiment,93United States Geological Survey, co-operation,xiiUnited States Land Office,56United States Military Academy,8(ill.)United States Naval Academy,7,9(ill.)United States Naval Observatory,13(ill.)United States Navy Air Service,viii,xi,xiiVertical photographs,1;scale,viii,74;horizontal control,74Viewpoint,1Village, prototype,54(ill.)Virginia, Eastern Shore mud-flat area, stream system,41,42(ill.),43(ill.);tidewater portion,38Visibility under water,102Volcanic craters.SeeCratersVolmat, J.,99,101War and Navy offices, new, Washington, D. C.,16(ill.)Wards Island,15(ill.)Warwick Creek and Mulberry Island, Virginia,24(ill.),25(map)Washington, D. C., Capitol, frontispiece,7;Library of Congress,7;mapping,79;part showing White House, Treasury, and many familiar features,16(ill.);topographic map, part, opp.22;United States Naval Observatory,13(ill.)Washington Column, California,60(ill.)Washington Monument,16(ill.)Wash-overs,81(ill.),86(ill.)Watch Hill, R. I.,92Water, Visibility under,102West Point, N. Y., United States Military Academy at,2,8(ill.)West Point, Va.,36(ill.),38;marshes,29,30(ill.)White House, Washington, D. C.,16(ill.)Wichita Falls, Tex.,51Wildwood, N. J.,98Wintun Glacier,58(ill.)Wright, Orville,ixWright, Wilbur,ixYork River,38,76,83,87;shoreline,77(ill.)Yosemite and Mt. Lyell topographic sheets,61Yosemite Valley,60(ill.),61(map)