format
The format is:
Formal class 'SpatialPointsDataFrame' [package "sp"] with 5 slots
..@ data :'data.frame': 232 obs. of 6 variables:
.. ..$ streamName : Factor w/ 104 levels "Abiqua Creek",..: 12 12 60 60 60 49 49 9 9 18 ...
.. ..$ locationCode: Factor w/ 3 levels "h","l","m": 1 1 1 1 1 1 1 1 1 1 ...
.. ..$ height : int [1:232] 4 4 NA NA NA NA 10 NA NA NA ...
.. ..$ lastDate : int [1:232] 1956 1956 1957 1936 1936 1929 1909 1919 1919 1919 ...
.. ..$ owner : Factor w/ 106 levels "A. Stefani","A.H. Blakesley",..: 42 42 42 84 84 24 24 25 25 25 ...
.. ..$ datesUsed : Factor w/ 118 levels "?-1870s-1899-?",..: 92 92 93 91 91 72 61 94 94 94 ...
..@ coords.nrs : num(0)
..@ coords : num [1:232, 1:3] -124 -124 -124 -124 -124 ...
.. ..- attr(*, "dimnames")=List of 2
.. .. ..$ : NULL
.. .. ..$ : chr [1:3] "coords.x1" "coords.x2" "coords.x3"
..@ bbox : num [1:3, 1:2] -124.2 42.9 0 -122.4 46.2 ...
.. ..- attr(*, "dimnames")=List of 2
.. .. ..$ : chr [1:3] "coords.x1" "coords.x2" "coords.x3"
.. .. ..$ : chr [1:2] "min" "max"
..@ proj4string:Formal class 'CRS' [package "sp"] with 1 slots
.. .. ..@ projargs: chr " +proj=longlat +ellps=WGS84"source
R. R. Miller (2010) Is the Past Present? Historical Splash-dam Mapping and Stream Disturbance Detection in the Oregon Coastal Province. MSc. thesis, Oregon State University; packaged by Jonathan Callahan