Laboratory Repeat Photography Collection at USGS Number of Number No_Photos NA [1,6] NA Archiving Integer matches Permanent=A permanent marker; typically markers are rebar, or aluminum angle Qualifier for iron. the Semipermanent= A permanence marker which is of the Field observation not in the ground. Marker marker used NA Character NA during repeat Typically a to mark the photography work semipermanent location of marker is a cairn of each photo rocks, a painted station mark on the ground, or a “X” etched on a rock . Lost= plot is lost as well as stake Photograph Information The following tables summarize the attributes associated the file photo_info.csv
Laboratory Repeat Photography Collection at USGS No_Photos Number of matches NA Number Integer [1,6] NA Archiving Marker Qualifier for the permanence of the marker used to mark the location of each photo station NA Character Permanent=A permanent marker; typically markers are rebar, or aluminum angle iron. Semipermanent= A marker which is not in the ground. Typically a semipermanent marker is a cairn of rocks, a painted mark on the ground, or a “X” etched on a rock . Lost= plot is lost as well as stake NA Field observation during repeat photography work Photograph Information The following tables summarize the attributes associated the file photo_info.csv
Rodriguez-Buriticaetal2012.docx