Stratigraphy at 107.50N showing intrusive Pit A Housepit 1, August 1970
Stratigraphy at 107.50N showing intrusive Pit A Housepit 1, August 1970; 45GA61.12530 25-1115
Stratigraphy at 107.50N showing intrusive Pit A Housepit 1, August 1970; 45GA61.12530 25-1115