Photograms of the 1969 April flight for Mutriku-Zestoa, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; Contact sets in passes, slides in passes with reference points.

Photograms of the 1969 April flight for Mutriku-Zestoa, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; Contact sets in passes, slides in passes with reference points.

Photograms of the 1969 April flight for Mutriku-Zestoa, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; Contact sets in passes, slides in passes with reference points.

Topography map series, obtained from a 1969 survey.

Photograms of the 1969 April flight for Mutriku-Zestoa, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; Contact sets in passes, slides in passes with reference points.

Photograms of the 1969 April flight for Mutriku-Zestoa, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; Contact sets in passes, slides in passes with reference points.

Photograms of the 1969 April flight for Mutriku-Zestoa, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; Contact sets in passes, slides in passes with reference points.

Photograms of the 1969 April flight for Mutriku-Zestoa, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; Contact sets in passes, slides in passes with reference points.

Topography map series, obtained from a 1969 survey.

Photograms of the 1969 April flight for Mutriku-Zestoa, with an approximate scale of 1:15000. The corresponding hard-copy B/W contacts and slides are archived; Contact sets in passes, slides in passes with reference points.