Haswell's almanack, and register, for the state of Vermont: for the year of our Lord 1797: [electronic resource] : being the first after the bissextile, or leap year, and the 21st and 22d of American independence. : Calculated for the latitude of Bennington, 43d. north, and longitude 4d. east of the city of Washington, in the Federal District. / By Adam Astrologist