Photograms of the 1966 May flight for Orio-Hernani, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; contact set in passes and set of extensions (1:2500) by municipality - slides sets in passes with reference points.

Photograms of the 1966 May flight for Orio-Hernani, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; contact set in passes and set of extensions (1:2500) by municipality - slides sets in passes with reference points.

Photograms of the 1966 May flight for Orio-Hernani, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; contact set in passes and set of extensions (1:2500) by municipality - slides sets in passes with reference points.

Photograms of the 1966 May flight for Orio-Hernani, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; contact set in passes and set of extensions (1:2500) by municipality - slides sets in passes with reference points.

Photograms of the 1966 May flight for Orio-Hernani, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; contact set in passes and set of extensions (1:2500) by municipality - slides sets in passes with reference points.

Photograms of the 1966 May flight for Orio-Hernani, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; contact set in passes and set of extensions (1:2500) by municipality - slides sets in passes with reference points.

Photograms of the 1966 May flight for Orio-Hernani, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; contact set in passes and set of extensions (1:2500) by municipality - slides sets in passes with reference points.

Photograms of the 1966 May flight for Orio-Hernani, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; contact set in passes and set of extensions (1:2500) by municipality - slides sets in passes with reference points.

Photograms of the 1966 May flight for Orio-Hernani, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; contact set in passes and set of extensions (1:2500) by municipality - slides sets in passes with reference points.

Photograms of the 1966 May flight for Orio-Hernani, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; contact set in passes and set of extensions (1:2500) by municipality - slides sets in passes with reference points.