North American Datum of 1983 (NAD 83)Projection and 1000-meter grid ticks:Maryland State Plane Coordinate System

338°45'

338°47'30"

338°50'

338°52'30"

777°7'30" 777°5' 777°2'30" 777°

338°45'

338°47'30"

338°50'

338°52'30"

777°7'30" 777°5' 777°2'30" 777°

121000metersN

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390000metersE 391000metersE 392000metersE 393000metersE 394000metersE 395000metersE 396000metersE 397000metersE 398000metersE 399000metersE 400000metersE

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390000metersE 391000metersE 392000metersE 393000metersE 394000metersE 395000metersE 396000metersE 397000metersE 398000metersE 399000metersE 400000metersE

1 0 1 2 kilometers

1 0 1 mile

1000 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 feet

SCALE 1:24000

HORIZONTAL DATUM NAD 83

ALEXANDRIA, VA-DC-MDMGS-01-003-1Second Edition

DATE OF PHOTOGRAPHYApril 7, 1993

1 Falls Church2 Washington West3 Washington East4 Annandale5 Anacostia6 Fort Belvoir7 Mount Vernon8 Piscataway

INDEX TO ADJOINING 7.5' MAPS

ALEXANDRIA QUADRANGLEVIRGINIA-DISTRICT OF COLUMBIA-MARYLAND

7.5 MINUTE SERIES (ORTHOPHOTOQUAD)

State of MarylandParris N. Glendening, Governor

Kathleen Kennedy Townsend, Lt. Governor

Department of Natural ResourcesJ. Charles Fox, Secretary

Karen M. White, Deputy Secretary

Resource Assessment ServicePaul O. Massicot, Director

Maryland Geological SurveyEmery T. Cleaves, Director

Shoreline ChangesAlexandria Quadrangle, VA-DC-MD

Compiled by

Maryland Geological SurveyCoastal and Estuarine Geology Program

2300 St. Paul StreetBaltimore, Maryland 21218Telephone: (410) 554-5500Website: www.mgs.md.gov

2001

LEGEND1862 Shoreline

1974 Shoreline

1993 Shoreline

SOURCES OF DATA

Base ImageComposite of resampled digital orthophoto quarter quads (Alexandria - NE, SE) produced by the Maryland Departmentof Natural Resources (DNR) from aerial photography flown onApril 7, 1993

Shorelines1862 - Historical Shorelines CZM Map 1A (MarylandGeological Survey, 1975); digitized using AutoCAD

1974 - National Oceanic and Atmospheric Administration,National Ocean Service T-sheets listed below; digitizedusing GSMAP or AutoCAD

Date ofT-sheet Field Edit PhotographyTP-00318 1973, 1974 1972TP-00319 1974 1972

1993 - orthophotoquad shoreline extracted from a DNR digital wetlands delineation based on photo interpretation of digital orthophoto quarter quads

ACKNOWLEDGMENTS

This map was prepared using the geographic information system TNTmips by MicroImages, Inc.

Partial funding was provided by a grant from the National Oceanic and Atmospheric Administration (Award No. NA 07OZ0118), administered by the Maryland Department ofNatural Resources, Coastal Zone Management Program(CZM Grant M01-056 CZM 040).

The facilities and services of the Maryland Department ofNatural Resources are available to all without regard to race,color, religion, sex, sexual orientation, age, national origin,

or physical or mental disability.

This document is available in alternative format uponrequest from a qualified individual with a disability.