تازه‌های منابع دیجیتال

Field notes no. 5 to accompany a geological sketch map of Afghanistan and north eastern Khorasan

/ by C. L. Griesbach()

A Geological sketch of the Baluchistan desert,and part of Eastern Persia

/ by: Vredenburg, E.()

Haft Savaran zinc- lead prospect tentaive feasibiliry stady

/ by G. Aletan and H. Hubner(Hubner, H.)

Zagros phosphate

/ by G. J. williams()

Duna mine

/ L. G. Lahusen, M. Momenzadeh(Momenzadeh, M.)