Earth treasures. The northwestern quadrant / Volume 3 :
Eckert, Allan W.
Earth treasures. The northwestern quadrant / Volume 3 : by Allan W. Eckert. - New York : Perennial Library, c1987. - xv, 632 p. : maps.
0060961775 (pbk. : v. 1)
90024064
Minerals--Collection and preservation--United States.
Fossils--Collection and preservation
Rocks--Collection and preservation--United States.
Earth treasures. The northwestern quadrant / Volume 3 : by Allan W. Eckert. - New York : Perennial Library, c1987. - xv, 632 p. : maps.
0060961775 (pbk. : v. 1)
90024064
Minerals--Collection and preservation--United States.
Fossils--Collection and preservation
Rocks--Collection and preservation--United States.