Haystack Catena (Mercury)
Radio telescope facility in Massachusetts.
Haystack Catena is a catena at 4.7° N, 46.2° W on Mercury. It superficially resembles a graben but is actually a chain of overlapping secondary craters. (wikipedia entry)
A catena is a chain of craters. On Mercury they are named after radio telescope facilities.
Image Source. Marker locations are approximate and may not always appear to align with image on map.
Haystack Catena
4.32° N 313.61° E