Preliminary report on the clays and shales of Minnesota.
Grout, Frank F.
Preliminary report on the clays and shales of Minnesota. - Minneapolis : The University of Minnesota, 1914. - 172 p. : il. ; 23 cm
Geología económica
Arcilla
Pizarra no metamórfica
Minnesota
Libro
553.61
Preliminary report on the clays and shales of Minnesota. - Minneapolis : The University of Minnesota, 1914. - 172 p. : il. ; 23 cm
Geología económica
Arcilla
Pizarra no metamórfica
Minnesota
Libro
553.61