857-48029 - Katrin Schneider and Susann Scheller checking a handheld GPS device while hiking on an ocean trail between Gansbaai and De Kelders. South Africa.
857-48028 - Katrin Schneider and Susann Scheller checking a handheld GPS device while hiking on an ocean trail between Gansbaai and De Kelders. South Africa.
857-48065 - Katrin Schneider and Susann Scheller checking a GPS and a hiking map while hiking on the Hoerikwaggo Trail from Cape Point to Table Mountain in Cape Town. South Africa.
857-48026 - Katrin Schneider and Susann Scheller checking a handheld GPS device while hiking on an ocean trail between Gansbaai and De Kelders. South Africa.
911-6394 - A differential GPS being used in real time kinematic survey, to survey the extent of the Durham canyon flooding feature, County Durham, England, United Kingdom, Europe
911-6357 - A differential GPS being used in real time kinematic survey, to survey the extent of the Durham canyon flooding feature, County Durham, England, United Kingdom, Europe
911-6358 - A differential GPS being used in real time kinematic survey, to survey the extent of the Durham canyon flooding feature, County Durham, England, United Kingdom, Europe
911-6392 - A differential GPS being used in real time kinematic survey, to survey the extent of the Durham canyon flooding feature, County Durham, England, United Kingdom, Europe