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Photo Info

Dimensions2634 x 2624
Original file size6.28 MB
Image typeJPEG
Color spacesRGB
Date taken1-Oct-14 08:02
Date modified25-Oct-14 08:46
Shooting Conditions

Camera makeNIKON CORPORATION
Camera modelNIKON D7000
Focal length16 mm
Focal length (35mm)24 mm
Max lens aperturef/3.5
Exposure1/160 at f/6.3
FlashNot fired, compulsory mode
Exposure bias0 EV
Exposure modeAuto
Exposure prog.Unknown
ISO speedISO 200
Metering modePattern
Digital zoom1x
HISTORY OF TRANSPORTATION (National Road nr Grantsville MD)

HISTORY OF TRANSPORTATION (National Road nr Grantsville MD)

Three centuries of American roadbuilding are visible here. The image is taken from an 1813 stone bridge still in excellent shape. It handled National Road (later US 40) traffic until 1933 when the steel truss bridge shown in the middle was opened.

In the 1970s came Interstate-68 shown in the far distance with a white truck heading westward on a modern steel I-beam bridge.