Fresh-water limestone from the Torola Valley, northeastern El Salvador
By: Sharat Kumar Roy -- and Robert Kriss Wyant --.
Contributors: Wyant, Robert Kriss, joint author.
Series: Fieldiana -- v. 10, no. 16; Chicago Natural History Museum. [Publication] -- no. 725; Publication (Chicago Natural History Museum) -- 725.
Publisher: Chicago Natural History Museum
Published: 1953
Place of publication: [Chicago]
Subjects: Limestone -- El Salvador.