The Near-Earth Object Surveyor Mission

The Near-Earth Object (NEO) Surveyor mission is a NASA observatory designed to discover and characterize near-Earth asteroids and comets. The mission's primary objective is to find the majority of objects large enough to cause severe regional impact damage ($>$140 m in effective spherical diameter) within its five-year baseline survey. Operating at the Sun-Earth L1 Lagrange point, the mission will survey to within 45 degrees of the Sun in an effort to find the objects in the most Earth-like orbits. The survey cadence is optimized to provide observational arcs long enough to reliably distinguish near-Earth objects from more distant small bodies that cannot pose an impact hazard. Over the course of its survey, NEO Surveyor will discover $\sim$200,000 - 300,000 new NEOs down to sizes as small as $\sim$10 m and thousands of comets, significantly improving our understanding of the probability of an Earth impact over the next century.Comment: accepted to PS

Map of the city of Cincinnati /

Map has profile of the bottom of the Ohio River ; scale recording height of reservoirs and extent of the river's overflow ; landmarks ; ward boundaries.Map includes environs of Cincinnati including parts of Covington, Ky. and Newport, Ky."Latitude 39⁰5ʹ54ʺ North. Longitude 7⁰25ʹ12ʺ West of Washington City.""Entered according to Act of Congress by Joseph Gest in the clerk's office of the District Court of Ohio.

Plan of the attack of the Forts Clinton & Montgomery, upon Hudsons River, which were stormed by His Majesty's forces under the command of Sir Henry Clinton, K.B., on the 6th of Octr. 1777.

Scale ca. 1:21,250.Hand colored.Has watermarks.Relief shown by hachures and shading.Pictorial map.LC Maps of North America, 1750-1789, 119

Abbeville District, South Carolina /

Scale from Stephenson's Civil War Maps, 1989."Approved, Chas. R. Suter, 1st Lt., U.S. Engrs., Chf. Engr., D. S."Pen and ink tracing of a map in Robert Mills' Atlas of the State of South Carolina . . . Baltimore, F. Lucas, Jr. [1825]LC Civil War maps (2nd ed.) S129

Newcastle Estate, Bar Beach Subdivision

For Sale - 34 residential buildings adjacent to the favourite surf bathing beach in the City of Newcastl

Map of Lawrence and Beaver counties /

LC Land ownership maps, 764Includes twenty nine inset maps, four indexed: Beaver Town, Bridgewater and Rochester, New Brighton, and New Castle