Here you'll find some scanned copies of documents from the county's archives, including Washington Irving's will. In case you forgot, he's the author of "The Legend of Sleepy Hollow" and "Rip Van Winkle." But, perhaps the best resource found here is the "Records of Veterans from the Revolutionary War, War of 1812, Civil War, Spanish-American War and World War I, and Cemetery Maps." These records were made possible through a Work Projects Administration project in late 1930s; While the source(s) for information recorded for each veteran are not available or even known, each index card contains such information as "place and date of birth, record of service, commendations, hometown, cause and date of death, and burial site." Of course with a project of this type, the amount of information available varies. But, it's a great place to start, if your family has origins in the county or passed through. Also included are maps of cemeteries with graves of veterans and war served in marked, but stops short of putting a name on the cemetery map. It's still a very handy source of information.
Here's the link: