@misc{indiciaecb6e279e5681, title = {Geologic interpretation of seismic data relocation Route 2, Littleton Road grade separation stations 243-252 in Harvard, Mass.}, author = {James E. May and Daniel Linehan}, year = {1950}, doi = {10.3133/ofr5046a}, url = {https://pubs.usgs.gov/publication/ofr5046A}, note = {Source identifier: ofr5046A} }