Photograms of the 1954 January flight, with an approximate scale of 1:12000. The corresponding B/W hard-copy contacts are archived by municipality (not Irun, Gabiria and Zestoa), set of extensions (1:2500) incomplete.

Photograms of the 1954 January flight, with an approximate scale of 1:12000. The corresponding B/W hard-copy contacts are archived by municipality (not Irun, Gabiria and Zestoa), set of extensions (1:2500) incomplete.

Photograms of the 1954 January flight, with an approximate scale of 1:12000. The corresponding B/W hard-copy contacts are archived by municipality (not Irun, Gabiria and Zestoa), set of extensions (1:2500) incomplete.

Photograms of the 1954 January flight, with an approximate scale of 1:12000. The corresponding B/W hard-copy contacts are archived by municipality (not Irun, Gabiria and Zestoa), set of extensions (1:2500) incomplete.

Photograms of the 1954 January flight, with an approximate scale of 1:12000. The corresponding B/W hard-copy contacts are archived by municipality (not Irun, Gabiria and Zestoa), set of extensions (1:2500) incomplete.

Photograms of the 1954 January flight, with an approximate scale of 1:12000. The corresponding B/W hard-copy contacts are archived by municipality (not Irun, Gabiria and Zestoa), set of extensions (1:2500) incomplete.

Photograms of the 1954 January flight, with an approximate scale of 1:12000. The corresponding B/W hard-copy contacts are archived by municipality (not Irun, Gabiria and Zestoa), set of extensions (1:2500) incomplete.

Photograms of the 2001 April-May flight for Gipuzkoa, with an approximate scale of 1:15000. The corresponding hard-copy colour contacts, negatives and slides are archived.

Photograms of the 2001 April-May flight for Gipuzkoa, with an approximate scale of 1:15000. The corresponding hard-copy colour contacts, negatives and slides are archived.

Photograms of the 2001 April-May flight for Gipuzkoa, with an approximate scale of 1:15000. The corresponding hard-copy colour contacts, negatives and slides are archived.