lat: 39.3420141, lon: -76.6491301
| Key | Value | 
| denotation | type_locality | 
| description | Type locality of Cold Spring Gneiss along east-flowing tributary of the Jones Falls at Cold Spring Park as described by Crowley, 1976 | 
| geological | outcrop | 
| geological:period | Ordovician-Silurian | 
| natural | rock | 
| ref | Crowley, 1976 | 
| rock | gneiss | 
| rock:mineralogy | biotite;muscovite;quartz;feldspar | 
| rock:wikidata | Q166409 | 
| source:geological | http://www.mgs.md.gov/output/reports/RI/RI_27.pdf | 
| wikidata | Q112123456 |