geologische bundesanstalt (65)
california division of mines and geology (24)
canadian hydrographic service :; hydrographic chart distribution office (18)
mingeo sssr (17)
institutul de geologie si geofizica (16)
eidg. forschungsanstalt fur landw. pflanzenbau zurich-reckenholz (12)
ministry of petroleum and minerals (11)
institut cartographique militaire (9)
published by the government of the united kingdom (directorate of overseas surveys) for the government of pakistan (6)
national iranian oil company (5)

geofast 1:50 000 (65)
geodynamic map of the ussr and adjacent seas (17)
republica socialista romania, harta geologica : scara 1:50.000 (16)
landeskarte der schweiz 1:25 000. (12)
carte geologique de la belgique (9)
carte geologique de reconnaissance de l'a[frique] e[quatoriale] f[rancaise]. (7)
pakistan 1:50,000, salt range (6)
pakistan geological, salt range series (6)
carte geologique de reconnaissance du cameroun. (3)
geologic map of north america -- perspectives and explanation (3)