TY  - RPRT
TI  - Characteristics and weathering features of sandstone quoins at Fort McHenry, Baltimore Maryland
AU  - E. S. McGee
AU  - M.E. Woodruff
PY  - 1992
DO  - 10.3133/ofr92541
UR  - https://pubs.usgs.gov/publication/ofr92541
ID  - ofr92541
ER  -