Map shows late nineteenth century cities, towns, counties, parks, cemeteries, marshlands, roads, railroads, docks, tunnels, military facilities, aqueducts, reservoirs, creeks, rivers, select buildings, public institutions, points of interest, and notable geographic features in areas of New York and New Jersey flanking the Hudson River; New Jersey counties of Bergen, Passaic, Essex, Middlesex, Union, and Hudson; New York and the southern portion of Long Island. Relief shown by hachures. Scale [ca. 1:48,738].

Letter from E. B. Convers to his cousin regarding a matter that has upset him. The full details of the event are unclear and he moved on to write about his work in the office and about his ideas for his next summer vacation.

Letter from E. B. Convers to his cousin, Gertrude Osterhout, regarding news he had heard about her health. He was glad to hear she had recovered from being sick and mentioned a dispute that seemed to be going on between him and a mutual acquaintance. He told her that he would be heading to Washington for work soon. Included is an envelope addressed to "Miss Gertrude Osterhout."

Map shows township boundaries, roads, railroads, towns, schools, landowners, marshes, structure locations, buoys, and notable physical features. Relief shown by hachures. Depths shown by form lines. Scale [ca. 1:31,680].