Fort Adams History Mystery Cache

This hopefully easy puzzle cache will provide you some history of Newport's Fort Adams, and the final will bring you close to the fort, which is open to the public to explore. 

N 41° 28.ABC W 071° 20.DEF

After some additions in 1809, Fort Adams mounted C7 cannon and was garrisoned during the War of 1812 by Wood's State Corps of Rhode Island militiamen.

After the War of 1812, there was a thorough review of the nation's fortification needs and it was decided to replace the older Fort Adams with a newer and much larger fort. Construction of the new fort began in 182E and continued at irregular intervals until 1857.

From 18B5 to 1838 construction was overseen by Lieutenant Colonel Joseph Gilbert Totten, the foremost American military engineer of his day.

The new Fort Adams was first garrisoned in August 184D, functioning as an active Army post until 1950.

From 1848 to 185F, Fort Adams was commanded by Colonel William Gates, a long serving veteran of both the War of 1812 and the Mexican War.

In 197A, Fort Adams was declared a National Historic Landmark, in recognition for its distinctive military architecture, which includes features not found in other forts of the period.

Please rehide the final cache well. Hope you enjoy!