#12289 Patomac River, Mattowan Creek to Georgetown, Maryland, Virginia, Dist. of Columbia Choose Chart Type:Test Chart (semi-transparent) Washington Chart #18453

Washington Chart #18453

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#12289 Patomac River, Mattowan Creek to Georgetown, Maryland, Virginia, Dist. of Columbia Choose Chart Type:Test Chart (semi-transparent) Washington Chart #18453#12289 Patomac River, Mattowan Creek to Georgetown, Maryland, Virginia, Dist. of Columbia Chart Vellum Paper Test Chart Port Pilotage test chart Transparent vellum paper Best for use as test chart for USCG testing Chart file is most recent and updated version Paper has good transparency Marks well with pencil with low smudge factor Pencil lead erases well Base print has fine line detail Meets USCG paper requirements for pilotage test White Paper