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Northwest #8 Traditional Cache

This cache has been archived.

SirCrab: Unfortunately the owner did not respond to the previous note so this is being archived. Should the owner decide to repair/replace this and have it unarchived, it can be done as long as it still conforms to the guidelines.

Regards,
SirCrab
Volunteer Cache Reviewer

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Hidden : 3/9/2013
Difficulty:
1.5 out of 5
Terrain:
1.5 out of 5

Size: Size:   micro (micro)

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Geocache Description:

Across the street from Boundary Stone NW8.
The stone is on private property and just barely visible.
Looking for a black key case
Please replace it as you find it.

The Residence Act of July 16, 1790, as amended March 3, 1791, authorized President George Washington to select a 100-square-mile site for the national capital on the Potomac River between Alexandria, Virginia, and Williamsport, Maryland. President Washington selected the southernmost location within these limits, so that the capital would include all of present-day Old Town Alexandria, then one of the four busiest ports in the country. Acting on instructions from Secretary of State Thomas Jefferson, Major Andrew Ellicott began surveying the ten-mile square on February 12, 1791. 

Ellicott, a prominent professional surveyor, hired Benjamin Banneker, an astronomer and mathematician from Maryland, to make the astronomical observations and calculations necessary to establish the south corner of the square at Jones Point in Alexandria. According to legend, "Banneker fixed the position of the first stone by lying on his back to find the exact starting point for the survey ... and plotting six stars as they crossed his spot at a particular time of night." From there, Ellicott's team embarked on a 40-mile journey, surveying ten-mile lines first to the northwest, then the northeast, next southeast, and finally southwest back to the starting point, clearing twenty feet of land on each side of the boundary.

Additional Hints (Decrypt)

Onfr bs cbyr

Decryption Key

A|B|C|D|E|F|G|H|I|J|K|L|M
-------------------------
N|O|P|Q|R|S|T|U|V|W|X|Y|Z

(letter above equals below, and vice versa)