The Northampton sand ironstone : stratigraphy, structure and reserves.
Hollingworth, S. E.
The Northampton sand ironstone : stratigraphy, structure and reserves. - London : Geol.Surv., 1951. - 211 p. : il. ; 24 cm
Estratigrafía
Libro
551.7(425)
The Northampton sand ironstone : stratigraphy, structure and reserves. - London : Geol.Surv., 1951. - 211 p. : il. ; 24 cm
Estratigrafía
Libro
551.7(425)