Aerial photographic roll and frame number*

Third order or better, permanent mark

With third order or better elevation

Check spot elevation

Coincident with section corner

Unmonumented*

Third order or better, with tablet

Third order or better, recoverable mark

Bench mark found at section corner

Spot elevation

With tablet

Without tablet

With number and elevation

U.S. mineral or location monument

Intermediate

Index

Supplementary

Depression

Cut; Fill

Intermediate

Index

Primary

Index Primary

Supplementary

National

State or territorial

County or equivalent

Civil township or equivalent

Incorporated city or equivalent

Park, reservation, or monument

Small Park

Township or range line

Location doubtful

Section Line

Location doubtful

Found section corner; found closing corner

Township or range line

Section line

Land grant or mining claim; monument

Levee

Sand or mud area, dunes or shifting sand

Intricate surface area

Gravel beach or glacial moraine

Tailings pond

Quarry or open pit mine

Gravel, sand, clay, or borrow pit

Mine tunnel or cave entrance

Prospect; mine shaft

Mine dump

Tailings

Woods

Scrub

Orchard

Vineyard

Mangrove

Contours and limits

Form lines

Approximate mean high water

Indefinite or unsurveyed

Mean high water

Apparent (edge of vegetation)

Building

School; church

Built-up Area

Racetrack

Airport

Landing strip

Well (other than water); windmill

Tanks

Covered reservoir

Gaging station

Landmark object (feature as labeled)

Campground; picnic area

Cemetery: small; large

Area exposed at mean low tide; sounding datum

Channel

Offshore oil or gas: well; platform

Sunken rock

Intermittent stream

Intermittent river

Disappearing stream

Perennial stream

Perennial river

Small falls; small rapids

Large falls; large rapids

Masonry dam

Dam with rock

Dam carrying road

Perennial lake; Intermittent lake or pond

Dry lake

Narrow wash

Wide wash

Canal, flume, or aqueduct with lock

Elevated aqueduct, flume or conduit

Aqueduct tunnel

Well or spring; spring or seep

Marsh or swamp

Submerged marsh or swamp

Wooded marsh or swamp

Submerged wooded marsh or swamp

Rice field

Land subject to inundation

Roads on Provisional edition maps are not classified as primary, secondary, or light duty. They are all symbolized as light duty roads.

Primary highway

Secondary highway

Light duty road

Unimproved road

Trail

Dual highway

Dual highway with median strip

Road under construction

Underpass; overpass

Bridge

Drawbridge

Tunnel

Standard gauge single track; station

Standard gauge multiple track

Abandoned

Under construction

Narrow gauge single track

Narrow gauge multiple track

Railroad in street

Juxtaposition

Roundhouse and turntable

Power transmission line: pole; tower

Telephone line

Aboveground oil or gas pipeline

Underground oil or gas pipeline