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#openhistoricalmap

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OpenHistoricalMap<p>In the past month, the <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> community added 50,639 dated elements, 5,919 buildings, and 3,996¼ railroad miles. The average age of a dated element fell by 15 months, and the average year shifted 9 months later. All this with the help of 25 new contributors – welcome!</p><p><a href="https://wiki.openstreetmap.org/wiki/OpenHistoricalMap/Statistics" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">wiki.openstreetmap.org/wiki/Op</span><span class="invisible">enHistoricalMap/Statistics</span></a></p>
Richard Welty<p>one of the things that interests me is the history of transportation, which is why i've done a bit of mapping of the various canals in upstate NY on <a href="https://en.osm.town/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a>.<br>this extends to the history of highways and roads. there's a lot of decent material in wikipedia but i hit an interesting gap when looking at the history of the routing of NY 7 through Schenectady. which led to the question of where i might find access to NYS DOT records. 1/</p>
OpenHistoricalMap<p>The <a href="https://mapstodon.space/tags/VectorMaps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>VectorMaps</span></a> branch of <span class="h-card" translate="no"><a href="https://en.osm.town/@openrailwaymap" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>openrailwaymap</span></a></span> has started double-tracking <a href="https://mapstodon.space/tags/OpenStreetMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenStreetMap</span></a> and <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> data. Finally – appreciate <a href="https://mapstodon.space/tags/AbandonedRailways" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AbandonedRailways</span></a> in the proper setting!</p><p><a href="https://forum.openhistoricalmap.org/t/openrailwaymap-adds-openhistoricalmap/446" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">forum.openhistoricalmap.org/t/</span><span class="invisible">openrailwaymap-adds-openhistoricalmap/446</span></a></p><p><a href="https://openrailwaymap.fly.dev/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">openrailwaymap.fly.dev/</span><span class="invisible"></span></a></p><p><a href="https://mapstodon.space/tags/OpenRailwayMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenRailwayMap</span></a> <a href="https://mapstodon.space/tags/RailMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RailMap</span></a> <a href="https://mapstodon.space/tags/RailHistory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RailHistory</span></a></p>
OpenHistoricalMap<p>The official <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> account on <a href="https://mapstodon.space/tags/Bluesky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Bluesky</span></a> is now <a href="https://bsky.app/profile/openhistoricalmap.org/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">bsky.app/profile/openhistorica</span><span class="invisible">lmap.org/</span></a> (renamed from ohmap.bsky.social). We created the new account because ohm.mapstodon.space.ap.brid.gy was read-only – we couldn’t repost or reply to anyone using <a href="https://mapstodon.space/tags/BridgyFed" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BridgyFed</span></a>.</p><p>But we’ll keep posting to Mastodon too. Open data projects love open source projects, and historians love to write more than 300 characters at a time!</p>
OpenHistoricalMap<p><span class="h-card" translate="no"><a href="https://mastodon.uno/@aoppo" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>aoppo</span></a></span> whipped up a user script to easily navigate <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> while reading a <a href="https://mapstodon.space/tags/Wikipedia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Wikipedia</span></a> article. You can install it in your personal Wikipedia account:</p><p><a href="https://globstory.it/wikipedia-user-script/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">globstory.it/wikipedia-user-sc</span><span class="invisible">ript/</span></a></p><p>It’s one of many ideas for cooperation between the OHM and <a href="https://mapstodon.space/tags/Wikimedia" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Wikimedia</span></a> communities:</p><p><a href="https://meta.wikimedia.org/wiki/OpenHistoricalMap" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">meta.wikimedia.org/wiki/OpenHi</span><span class="invisible">storicalMap</span></a></p>
SK53<p>Boosting my meandering thread about the Clifton Estate, Nottingham <a href="https://en.osm.town/@SK53/114177519300555515" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">en.osm.town/@SK53/114177519300</span><span class="invisible">555515</span></a></p><p>The thread so far covers location, the area before development and the evolution of road links plus odd asides and various <a href="https://en.osm.town/tags/OpenStreetMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenStreetMap</span></a> related stuff. Some material would also be useful grist for <a href="https://en.osm.town/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> </p><p>I'm about to move on to the construction of the estate. </p><p><a href="https://en.osm.town/tags/CliftonEstate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CliftonEstate</span></a> <a href="https://en.osm.town/tags/Nottingham" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Nottingham</span></a> <a href="https://en.osm.town/tags/SocialHousing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>SocialHousing</span></a> <a href="https://en.osm.town/tags/Urbanism" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Urbanism</span></a></p>
OpenHistoricalMap<p>In the past month, the <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> community added 49,375 dated elements, 5,757 buildings, and 2,615 railroad miles. The average age of a dated element fell by almost two years, and the average year shifted one year later. All this with the help of 18 new contributors – welcome!</p><p><a href="https://wiki.openstreetmap.org/wiki/OpenHistoricalMap/Statistics" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">wiki.openstreetmap.org/wiki/Op</span><span class="invisible">enHistoricalMap/Statistics</span></a></p>
OpenHistoricalMap<p>Our <a href="https://mapstodon.space/tags/OSMCha" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OSMCha</span></a> instance makes it easy to inspect large changesets for subtle changes. Sometimes, those changes look very wrong, but only because modern aerial imagery doesn’t line up with the historical features being mapped.</p><p>Now you can visualize changesets against existing <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> coverage to see how it all fits into the map we’re building. Click the 🗺️ button to set the basemap back to <a href="https://mapstodon.space/tags/Mapbox" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Mapbox</span></a> or <a href="https://mapstodon.space/tags/BingMaps" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>BingMaps</span></a> imagery like before.</p><p><a href="https://osmcha.openhistoricalmap.org/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">osmcha.openhistoricalmap.org/</span><span class="invisible"></span></a></p>
OpenHistoricalMap<p>Territorial evolution of <a href="https://mapstodon.space/tags/Italy" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Italy</span></a>, 1861–2025, by Wikimedia Commons user “Nuclear Chain Reaction” based on <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> and <a href="https://mapstodon.space/tags/NaturalEarth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NaturalEarth</span></a> data</p><p><a href="https://commons.wikimedia.org/wiki/File:Territorial_evolution_of_Italy,_1861–2025.webm" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">commons.wikimedia.org/wiki/Fil</span><span class="invisible">e:Territorial_evolution_of_Italy,_1861–2025.webm</span></a></p><p><a href="https://mapstodon.space/tags/HistoricBoundaries" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HistoricBoundaries</span></a> <a href="https://mapstodon.space/tags/ItalianHistory" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>ItalianHistory</span></a></p>
Richard Welty<p>as a side effect on adding a <a href="https://en.osm.town/tags/GhostTrack" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GhostTrack</span></a> to <a href="https://en.osm.town/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a>, i've added a few more tiles to my mapwarper mosaic of a 1952 USGS aerial pass over eastern upstate NY. working on the west side of the area so that i can work on US 20 and NY 7 out to the spot where they cross in Duanesburg. 1/2</p>
OpenHistoricalMap<p>Despite all the mega boundary mapping lately, our map just got a lot leaner and faster. Map tiles have shrunk by as much as 96% compared to last year! <a href="https://mapstodon.space/tags/MicDrop" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MicDrop</span></a></p><p>Also in this month’s update, some nice tweaks and additions to the main style and a proper sendoff to <span class="h-card" translate="no"><a href="https://mapstodon.space/@run_for_funner" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>run_for_funner</span></a></span>:</p><p><a href="https://forum.openhistoricalmap.org/t/better-performance-less-clutter-and-the-end-of-an-era/426" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">forum.openhistoricalmap.org/t/</span><span class="invisible">better-performance-less-clutter-and-the-end-of-an-era/426</span></a></p><p><a href="https://mapstodon.space/tags/performance" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>performance</span></a> <a href="https://mapstodon.space/tags/VectorTiles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>VectorTiles</span></a> <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a></p>
Richard Welty<p>been a while since i put a new <a href="https://en.osm.town/tags/GhostTrack" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>GhostTrack</span></a> into <a href="https://en.osm.town/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a>, but today i added Victoria Speedway, a clay oval that started as a horse track and ran cars from 1960-1966 near the <a href="https://en.osm.town/tags/CapitalDistrict" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>CapitalDistrict</span></a> of <a href="https://en.osm.town/tags/NewYork" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NewYork</span></a> . link is to my website, showing the track overlaid on <a href="https://en.osm.town/tags/OpenStreetMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenStreetMap</span></a> <a href="https://en.osm.town/tags/AutoRacing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>AutoRacing</span></a> <a href="https://en.osm.town/tags/MotorRacing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>MotorRacing</span></a> <a href="https://en.osm.town/tags/History" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>History</span></a></p>
OpenHistoricalMap<p>Thanks to <span class="h-card" translate="no"><a href="https://mstdn.social/@bmacs001" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>bmacs001</span></a></span>, <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> has comprehensive coverage of <a href="https://mapstodon.space/tags/NewJersey" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>NewJersey</span></a> municipality boundaries over time. Watch the state get divvied up into counties, townships, boroughs, cities, towns, and villages in this mesmerizing <a href="https://mapstodon.space/tags/TimeSeries" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>TimeSeries</span></a>:</p><p><a href="https://www.reddit.com/r/newjersey/comments/1j4e1od/the_evolution_of_new_jerseys_county_and_municipal/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">reddit.com/r/newjersey/comment</span><span class="invisible">s/1j4e1od/the_evolution_of_new_jerseys_county_and_municipal/</span></a></p><p><a href="https://mapstodon.space/tags/Boroughitis" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Boroughitis</span></a> <a href="https://mapstodon.space/tags/JerseyFresh" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JerseyFresh</span></a></p>
OpenHistoricalMap<p>In the past month, the <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> community added 33,818 dated elements, 3,899 buildings, and 3,121 railroad miles. The average age of a dated element fell by one week, and the average year shifted one month earlier. All this with the help of 14 new contributors – welcome!</p><p><a href="https://wiki.openstreetmap.org/wiki/OpenHistoricalMap/Statistics" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">wiki.openstreetmap.org/wiki/Op</span><span class="invisible">enHistoricalMap/Statistics</span></a></p>
OpenHistoricalMap<p>In the past month, the <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> community added 62,726 dated elements, 9,621 buildings, and 5,324½ railroad miles. The average age of a dated element fell by about two years, and the average year shifted about one year later. All this with the help of 29 new contributors – welcome!</p><p><a href="https://wiki.openstreetmap.org/wiki/OpenHistoricalMap/Statistics" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">wiki.openstreetmap.org/wiki/Op</span><span class="invisible">enHistoricalMap/Statistics</span></a></p>
OpenHistoricalMap<p>If you edit <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> in <a href="https://mapstodon.space/tags/JOSM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>JOSM</span></a> or browse the map in <a href="https://mapstodon.space/tags/DarkMode" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DarkMode</span></a>, pay attention to this month’s website upgrade:</p><p><a href="https://forum.openhistoricalmap.org/t/more-secure-logins-dark-mode-and-more-predictability/397" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">forum.openhistoricalmap.org/t/</span><span class="invisible">more-secure-logins-dark-mode-and-more-predictability/397</span></a></p>
Richard Welty<p><span class="h-card" translate="no"><a href="https://en.osm.town/@mvexel" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>mvexel</span></a></span> when we started talking about finding an umbrella for <a href="https://en.osm.town/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> we briefly considered the linux foundation, but it became clear almost instantly that with the Charter projects framework, OSM US was a better choice in every way. it was not particularly obvious what the linux foundation was really about at the time.</p>
OpenHistoricalMap<p>In the past month, the <a href="https://mapstodon.space/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a> community added 63,344 dated elements, 7,856 buildings, and 6,101 railroad miles. The average age of a dated element rose by 6 weeks, and the average year shifted over 10 months later. All this with the help of 29 new contributors – welcome!</p><p><a href="https://wiki.openstreetmap.org/wiki/OpenHistoricalMap/Statistics" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="ellipsis">wiki.openstreetmap.org/wiki/Op</span><span class="invisible">enHistoricalMap/Statistics</span></a></p>
Midgard<p><span class="h-card" translate="no"><a href="https://en.osm.town/@openrailwaymap" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>openrailwaymap</span></a></span> Thanks for <a href="https://OpenRailwayMap.org" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://</span><span class="">OpenRailwayMap.org</span><span class="invisible"></span></a>!</p><p>ORM renders abandoned and razed rails. Many communities frown upon adding features that aren't visible on the field any more, which railway=razed is.</p><p>Would it be an idea to stop rendering railway=abandoned and railway=razed from <a href="https://framapiaf.org/tags/OpenStreetMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenStreetMap</span></a> and instead pull in historical railways from <a href="https://framapiaf.org/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a>? ORM could even grow a dedicated "history" layer.</p><p>I think this would be beneficial for both OHM and OSM!</p>
SK53<p><span class="h-card" translate="no"><a href="https://en.osm.town/@nfgusedautoparts" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>nfgusedautoparts</span></a></span> absolutely fantastic book, completely restarted my interest. Must have bought it 25 years ago : from was a specialist remaindered bookshop in the local town.</p><p>Has everything from deep-seated organisational issues through to a detailed account of the action. There's a bit about ships chronometer not being synchronised which I used to include if talking about <a href="https://en.osm.town/tags/OpenHistoricalMap" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>OpenHistoricalMap</span></a></p>
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