BGS mineralogy and petrology collection record

Sample number	MR21351
Sample Donor	Not entered
Rock name	Gravel. 'Original entry: Flint Gravel'
Stratigraphy	Not entered
Comments	Flint Gravel,Aggregate,Collected byRoad Research Lab.
Locality details	Quarry,Colney Heath Pit, colney Heath,
50k map sheet	Hertford (239) View images in GeoScenic related to 'Hertford' View a geological map near 'Hertford'
Map reference	TL 199 058
Year collected	1957
Bore name	Not applicable
Confidentiality	No restrictions