Men drilling poles for blasting, Culebra cut, Canal Zone

Front:
Men drilling poles for blasting, Culebra Cut, Canal Zone. REFORICA EOS CORRE ZONE FREAG A DE ΑΝ VASCO NUNEZ DE BALBOA UN CENTESIMO DE BALBOA

Back:
I. L. Maduro jr., Panama. P. 0. Box 281. (Copyright.) No. 75. NO Poleane Opply com Ferber Ancon By Panama. Ꮋ ᎬᎡᎡ JANI C. 330pomestic, Foreign, c. C.Z. 871 E Jewis At облрадие 1910 lisa