The Hondsrug:
During the forelast iceage, about 150.000 years ago, a ridge of sand "the Hondsrug" was formed. It has been debated what kind of landform it should be, But it is accepted to be a medial moraine. The north side of the Hondsrug has multiple smaller foothills. The city of Groningen has been build on the largest and highest foothill. To the west of Groningen there are some foothills also. One of those foothills is called 'de rug van Tynaarlo'. This isn't a separate ridge of sand, but a branche of the Hondsrug.
The rug van Tynaarlo:
When the temperature arose during the forelast iceage. The gigantic glaciers started to melt, wich produced massive waterflows. Because of these flows, large valleys where created sided by sand ridges. To the west of Groningen some of those valleys and ridges where formed. The rug van Tynaarlo is not as high as the Hondsrug and contains some smaller foothills itself. This ridge has played a small but significant role in the history of this area.
The ridge has been used as a natural 'wierde'(man made mount to protect themselves from the sea). The village Hoogkerk has been build on the ridge. Even before there where some permanent settelers, the ridge was uses as a temperaly shelterplace.
Present time:
Excactly between the two foothills of the rug van Tynaarlo there is made a recreation area called "Ruskeveenseplas"
The eastside of Hoogkerk is situated on the rug van Tynaarlo. The Zuiderweg and the southern part of the Kerkstraat follow the westflank of the ridge. De rug van Tynaarlo isn't visible on the surface anymore, but had two sandy hills before. The largest one is partially visible on the eastside of the Zuiderweg, the cachelocation; the remains of the smaller sandhill can still be seen on the west side of the Zuiderweg, between the Ploeglaan and the Hendrik Johan Melgersstraat.
The assignement:
1. Take a picture from yourself with your gpsr visible on "de bult van Buist" or on the smaller sandy hill near the Ploeglaan and add the picture to your log.
2. Send a personal message to us, with an awnser to the following question:
Wat was the occupation of the two people who left some garbage on de bult van Buist some 10.000 years ago?
Because the text on the infosign is in dutch, we'll be lenient ;).
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