Gems

The Hunterdon County Historical Society Map Collection contains Map 35, an original 1839 Geological Map of New Jersey (a composite

The United States Geological Survey (USGS) was established in 1879 when several Federal organizations merging into a single entity. In

This month’s guest author is Ray Simonds who worked for the State’s Geologic Survey several years before employment as a

I hope no one is disappointed in my not having something new for an April Collection Gem. I decided to