Astrolink currently houses more than 100,000 lunar and planetary maps, a reference library, an ever-growing photo and document collection that chronicles the historic and on-going activities of USGS Astrogeology, assorted artifacts (including Grover, the Apollo-era astronaut training rover), the MRCTR GIS Lab Space, and a work room for visiting researchers. Tours of Astrolink, as well as archival research assistance are available; please see contact information if you wish to request a tour, assistance, or have any questions about the facility!