Profile
Katri Arjava
42
points total
42
achievement points total
0
points this month
0
points this week
Data are updated once per day
Achievements in historical mapping
Recognizing your contribution to bringing historical maps to life.
Map Initiate
1 GCP total
Next achievements in historical mapping
Continue georeferencing to unlock your upcoming achievements.
Weekly Mapper
1+ GCP in a week
Monthly Explorer
1+ GCP in a month
Map Apprentice
84%
50 GCP total
Contributed to
British Library
21 points
The British Library
21 points
Last edited maps
![Maps and tables of chronology and genealogy; selected and translated from Monsieur Koch's “Tableau des Révolutions de l'Europe.” [By C. T. L., i.e. Charles Thomas Longley? afterwards Archbishop of York.]](https://thumbs.oldmapsonline.org/3a/a300d010ea6448a099e35db19469f09e.thumbnail-150-fill.webp?token=nCIFmTAKB4fgl-kdmapIsr-2t6849nq2egdFKnCOvHw&expires=1772715655)
![A History of the United States for schools ... With topical analysis, suggestive questions ... by F. A. Hill. [With maps.]](https://thumbs.oldmapsonline.org/08/ea97690b9ee24a208b27f5c23a2dcb62.thumbnail-150-fill.webp?token=rpxo5KlCjFEi989Om40jYIVDMgrWczsgKDng7-iI_pI&expires=1772715655)