Here are the counts for parcels of land mapped, by the decade in which the corresponding land patents were issued:Decade Parcel-count 1890s 4537 1900s 1791 1910s 925 1920s 665 1930s 240 1940s 31 1950s 75 1960s 55What Cities and Towns are in Canadian County, Oklahoma (and in this book)?.

This book is constructed to last with a plastic spiral binding, acid-free paper, and a tough, laminated cover. This is, after all, our source for the patents that we map. But the truth is that most counties took decades to settle and it is not unusual to find counties where the first patent might date in the 1820s and the last one may be in the 1920s.