Elijah watches his GPS as he walks a line of latitude
Laboratory seven explored latitude and longitude using global positioning satellite receivers and a surveyor's wheel.
Elijah watches his GPS as he walks a line of latitude
Riantho handles the surveyor's wheel
Auslynn really liked rolling the surveyor's wheel
Jayce and Melainy chase 6° 54.580'
Jayce and Melainy in the lead, Jereen following along
Sinolet looks over Melainy's shoulder
Sean follows Jereen, measuring the length of the walk along the line of latitude