I should specify that this is specifically a Civil War era map, ca. 1860-1865, hence the state of the sources.
Hi all,
I'm currently trying to build a detailed map of the western portion of Missouri including primarily the counties of Cooper, Saline, Pettis, Lafayette, Johnson, Jackson and Cass. In other words, from Kansas City east to nearly Jefferson City, south of the Missouri River. There are no good antebellum maps of Missouri with the detail I desire (1 mile = 1 inch). The best sources I can get my hands on are plat books from the late 19th century. These record the courses of water courses, roads, the positions of towns, extent of woodlands, and property lines. I believe they also include more information, but too subtly recorded for me to decipher. I am attaching examples of some of the icons I am coming across with ambiguous meaning. Any insights and interpretations are welcome!
Screen Shot 2019-05-17 at 11.04.00 AM.png Screen Shot 2019-05-17 at 11.02.59 AM.png Screen Shot 2019-05-17 at 10.39.53 AM.png Screen Shot 2019-05-17 at 10.39.34 AM.png Screen Shot 2019-05-17 at 11.14.11 AM.png
I am particularly interested in distinguishing between bridges, fords, and ferries where roads cross water courses. Sometimes the roads obscure the river, sometimes the rivers cross the road, a few times I've seen rivers that simply interrupt the road altogether. Sometimes roads cross rivers with a 'bump'. I haven't undertaken an exhaustive survey, but I tend to notice *s near water courses, sometimes in the presence of an interrupted road, or a bumped road, or neither, sometimes major water courses, sometimes very minor ones. I cannot determine if there is an underlying logic to indicate specifically what is happening in these locations or if it simply a result of the individual preference of the cartographer.
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Periodically, I find these slices. They are usually somewhat less than 90º of a circle, with radiating and bisecting lines as here on the left. They are sometimes sloppier, if indeed they are the same symbol, as per the image on the right. I also sometimes just find hash-marks, but can't seem to locate any at the moment.
Screen Shot 2019-05-17 at 10.44.01 AM.png
This one is self-explanatory, but I include it as an example of the sometimes idiosyncratic features that a cartographer has chosen to record. In this case, one can imagine that in this instance he was thankful for a bit of shade on a hot day.
Any help is appreciated, especially if anyone has any experience with 19th century platbooks.
Last edited by cdbrinker; 05-18-2019 at 09:48 AM.
I should specify that this is specifically a Civil War era map, ca. 1860-1865, hence the state of the sources.
That is a grand project you are working on! As plat maps were made by the US General Land Surveyor's Office, you might find their keys and legends online. I found this article: https://info.courthousedirect.com/bl...ead-a-plat-map
Cheers!
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I did manage to find this, which had some legends going back to the 1850s. It covers some of the differences between water crossings. (Level vs. railway vs. road over, etc.)
The slices/spiderweb objects are still a mystery to me right now. I'm going to keep researching and see if I can come up with anything.
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I keep coming back to this and I'm baffled.
I've yet to turn up anything else that resembles those spiderweb shapes. It's got me stumped!
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thats realy odd symbol.. can you revese engineer it .. aka find one where you have good pre and post maps.. or photos or drawings of the time?
Could it be indicating sections with trellis / lattice for growing hops or grapes or some other sort of crawling vegetation? I imagine going along on a horse, being like "what is this crisscross pattern?" and then coming to a large section of crisscross gardening. As beer was popular then as it is now, I imagine hops might have been quite a common yet distinct sight to mark on a map.
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They represent the presence of giant, hobbit eating, spiders. Obviously. :p
I don't know, first I was thinking like a game feild but not in those locations, then maybe a cliff or a cave?
In urban design we use symbols a little bit similar to those spiderwebs to indicate a key viewpoint or field of vision. Could that be possible for these, given the context?
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