Retreat of the Breiðamerkurjökull glacier, Iceland
🙏@copernicuseu.bsky.social
Sentinel-2 imagery -Breiðamerkurjökull Georef with #MediaLayers in @esriuk.bsky.social #ArcGISOnline and imported to #3DScene
@copernicusecmwf.bsky.social
@subfossilguy.bsky.social @edhawkins.org
arcg.is/1PKif54

🔊Walking On The Moon🔊
#Apollo15 26 Jul-7 Aug 1971
'Falcon' LM lift off from Hadley-Appenine 2 Aug 1971
Georeferenced with #MediaLayers in @esriuk.bsky.social ArcGIS Online
#3DScene w Moon Elevation Surface DEM
incl other Apollo missions: arcg.is/1GmKHG7
#30DayMapChallenge Day 18: Out of this world

🔊'From Bank to Bet Fred'🔊
@openstreetmap.bsky.social v map of Dundee shops in Murraygate 1991 using #MediaLayers in
@esriuk.bsky.social ArcGIS Online
#3DScene > urban retail land use change.
🙏 UoD Archives
#ThinkForAMinute #Housemartins #NEA
arcg.is/1f8zuf0
Day 14: Data challenge: OpenStreetMap

🗺️ 113 year old maps reborn 🗺️
1912 sketch maps by teacher George Nebel for a field trip from Wood Street School #Woolwich to Isle of Thanet, Kent (they travelled by ship!)
#MediaLayers @esriuk.bsky.social ArcGIS Online
#30DayMapChallenge Day 9: Analog
Map🙏 Kent Archives
arcg.is/1nr55b1

🍃🌉On this day 1940🌉🍃
'Galloping Gertie' Tacoma Narrows Bridge collapsed in 40mph/64kmh winds. Where were the viewpoints?
Tacoma-Kitsap pen link gone until 1950.
Created in @Esri ArcGIS Online using #MediaLayers
Webmap: arcg.is/0j9ibq
#30DayMapChallenge Day 7: Accessibility

*Walking On The Moon*
🔊#Apollo15 26 July-7 Aug 1971🔊
Scott, Worden, Irwin
'Falcon' LM lift off from Hadley-Appenine 2 Aug 1971
Georef w ArcGIS Online #MediaLayers > #3DScene w Moon Elevation Surface DEM
@davidbflower.bsky.social @thenasaearth.bsky.social
Link incl other Apollo sites: arcg.is/0jr4GH

〰️Meandering across 9 decades〰️
Chepstow and River Wye 1930s (Bartholomew’s Revised 0.5")
Excellent #HistoricalMap shared by @alondoninheritance.bsky.social
Georef with #MediaLayers @ArcGISOnline
Map:🖱️Layers>3 dots>Show properties>Transp
notredamecobham.maps.arcgis.com/apps/mapview...

❓Was John Wale considering straightening the R Chelmer in 1706?
🙏 @essexarchive.bsky.social
#RiverManagement narrative w historical #MediaLayers @ArcGISOnline
@openstreetmap.bsky.social + LiDAR
#30DayMapChallenge Day 28: Blue Planet
notredamecobham.maps.arcgis.com/apps/mapview...

Street map of Eiskeller #exclave, West Berlin
Excellent #HistoricalMap shared by @GermanAtPompey
Georef with #MediaLayers in @ArcGISOnline
Web map (slightly rotated): Click Layers>3 dots>Show props>Transparency
#30DayMapChallenge Day 27: Micromapping
notredamecobham.maps.arcgis.com/apps/mapview...

*Bird's eye view*
7 #Blackbird Territories, Neasden, London (BBC A Year's Journey 1969)
@rspb.bsky.social
Georef w #MediaLayers ArcGIS Online
#30DayMapChallenge Day 27: Micromapping
2D: Layers>3 dots>Show props>Transp
notredamecobham.maps.arcgis.com/apps/mapview...
3D: arcg.is/1jf1u91

🔊🎶Northern Lights 🎶🔊
@NOAASatellites JPSS #VIIRS imagery of #aurora 11-5-2024 showing #CME in N hemi
@ArcGISOnline w #MediaLayers Arctic Basemap proj
🖱️Layers>3 dots>Props>Transp
🙏 Renaissance @AnnieHaslamReal
#30DayMapChallenge Day 26: Map projections
notredamecobham.maps.arcgis.com/apps/mapview...

*Another world*
#3DScene including #MoonElevation + Lunar Landings data by Jonathan Dawe @esriuk plus...
#Apollo15 Walking Traverse Navigation Map 1971
Georef w #MediaLayers in @ArcGISOnline
#30DayMapChallenge Day 14: A World Map (another world)
arcg.is/XTvqm2

🔊🎶 Northern Lights 🎶🔊
@NOAASatellites JPSS #VIIRS imagery of #aurora 11-5-2024 showing #CME in N hemi
Georef @ArcGISOnline w #MediaLayers Arctic Basemap
🖱️Layers>3 dots>Show props>Transp
🙏 Renaissance @AnnieHaslamReal
#30DayMapChallenge Day 11: Arctic
notredamecobham.maps.arcgis.com/apps/mapview...

Wonderful 1937-38 sketch map of #LoughGur, Co
Limerick, by Tomás Ó Loinsigh, Grange NS, Kilmallock
🙏 @duchas_ie
Schools' Collection 1937-38 via Windle 1912 v SMR @NationalMons
Georef #MediaLayers in @ArcGISOnline
#30DayMapChallenge Day 10: Pen & paper
notredamecobham.maps.arcgis.com/apps/mapview...

John Snow pioneered #GIS *and* use of #Voronoi polygons to show influence of each pump @JohnSnowSociety
Map: Layers>3 dots>Show props>Transp
georef w #MediaLayers in @ArcGISOnline
🙏via @enricbraso @MMACA_cat #GeoGebra
#30DayMapChallenge
Day 3: Polygons
notredamecobham.maps.arcgis.com/apps/mapview...