nesh_to_skimap

manually created a NESH to SkiMap.org mapping.
While laborious, there were several corner cases where an
automated approach would have struggled.
The process of learning about every New England ski resort was also
educational.

openskistats/nesh/timelines.py

@@ -151,3 +151,162 @@ def read_nesh_timelines() -> pl.DataFrame:
         )
     )
     return df
+
+
+nesh_to_skimap = {
+    "https://www.newenglandskihistory.com/NewHampshire/abenaki.php": "https://skimap.org/skiareas/view/4091",
+    "https://www.newenglandskihistory.com/NewHampshire/arrowhead.php": "https://skimap.org/skiareas/view/2146",
+    "https://www.newenglandskihistory.com/Vermont/ascutney.php": "https://skimap.org/skiareas/view/206",
+    "https://www.newenglandskihistory.com/NewHampshire/attitash.php": "https://skimap.org/skiareas/view/349",
+    "https://www.newenglandskihistory.com/Maine/bakermtn.php": "https://skimap.org/skiareas/view/3216",
+    "https://www.newenglandskihistory.com/Maine/baldmtn.php": None,
+    "https://www.newenglandskihistory.com/Maine/baldmtn1.php": "https://skimap.org/skiareas/view/16187",
+    "https://www.newenglandskihistory.com/NewHampshire/balsamswilderness.php": "https://skimap.org/skiareas/view/350",
+    "https://www.newenglandskihistory.com/Vermont/bearcreek.php": "https://skimap.org/skiareas/view/1090",
+    "https://www.newenglandskihistory.com/Massachusetts/beartownmtn.php": "https://skimap.org/skiareas/view/14913",
+    "https://www.newenglandskihistory.com/NewHampshire/gunstock.php": "https://skimap.org/skiareas/view/342",
+    "https://www.newenglandskihistory.com/Vermont/bellowsfalls.php": "https://skimap.org/skiareas/view/13027",
+    "https://www.newenglandskihistory.com/Massachusetts/benjaminhill.php": None,
+    "https://www.newenglandskihistory.com/Massachusetts/berkshireeast.php": "https://skimap.org/skiareas/view/435",
+    "https://www.newenglandskihistory.com/Massachusetts/berkshiresnowbasin.php": "https://skimap.org/skiareas/view/4942",
+    "https://www.newenglandskihistory.com/Maine/mtagamenticus.php": "https://skimap.org/skiareas/view/2149",
+    "https://www.newenglandskihistory.com/Maine/squawmtn.php": None,
+    "https://www.newenglandskihistory.com/Maine/bigrock.php": "https://skimap.org/skiareas/view/455",
+    "https://www.newenglandskihistory.com/NewHampshire/blackmtn.php": "https://skimap.org/skiareas/view/348",
+    "https://www.newenglandskihistory.com/Maine/blackmtn.php": "https://skimap.org/skiareas/view/454",
+    "https://www.newenglandskihistory.com/Massachusetts/blandford.php": "https://skimap.org/skiareas/view/438",
+    "https://www.newenglandskihistory.com/Massachusetts/bluehills.php": "https://skimap.org/skiareas/view/440",
+    "https://www.newenglandskihistory.com/NewHampshire/crotchedmtn.php": "https://skimap.org/skiareas/view/343",
+    "https://www.newenglandskihistory.com/Vermont/boltonvalley.php": "https://skimap.org/skiareas/view/216",
+    "https://www.newenglandskihistory.com/Massachusetts/bostonhills.php": "https://skimap.org/skiareas/view/4698",
+    "https://www.newenglandskihistory.com/Massachusetts/bousquet.php": "https://skimap.org/skiareas/view/444",
+    "https://www.newenglandskihistory.com/Vermont/livingmemorialpark.php": "https://skimap.org/skiareas/view/4101",
+    "https://www.newenglandskihistory.com/NewHampshire/brettonwoods.php": "https://skimap.org/skiareas/view/346",
+    "https://www.newenglandskihistory.com/Massachusetts/brodie.php": "https://skimap.org/skiareas/view/2292",
+    "https://www.newenglandskihistory.com/Vermont/bromley.php": "https://skimap.org/skiareas/view/217",
+    "https://www.newenglandskihistory.com/NewHampshire/brookline.php": "https://skimap.org/skiareas/view/15111",
+    "https://www.newenglandskihistory.com/Vermont/suicidesix.php": "https://skimap.org/skiareas/view/203",
+    "https://www.newenglandskihistory.com/Vermont/burkemtn.php": "https://skimap.org/skiareas/view/208",
+    "https://www.newenglandskihistory.com/Maine/burntmeadowmtn.php": "https://skimap.org/skiareas/view/12818",
+    "https://www.newenglandskihistory.com/Vermont/burringtonhill.php": None,
+    "https://www.newenglandskihistory.com/Massachusetts/butternut.php": "https://skimap.org/skiareas/view/441",
+    "https://www.newenglandskihistory.com/Maine/camdensnowbowl.php": "https://skimap.org/skiareas/view/452",
+    "https://www.newenglandskihistory.com/NewHampshire/camptonmtn.php": "https://skimap.org/skiareas/view/3044",
+    "https://www.newenglandskihistory.com/NewHampshire/cannonmtn.php": "https://skimap.org/skiareas/view/347",
+    "https://www.newenglandskihistory.com/Vermont/carinthia.php": None,  # currently a trail complex at Mount Snow
+    "https://www.newenglandskihistory.com/Massachusetts/catamount.php": "https://skimap.org/skiareas/view/323",
+    "https://www.newenglandskihistory.com/Massachusetts/chickleyalp.php": "https://skimap.org/skiareas/view/5403",
+    "https://www.newenglandskihistory.com/Vermont/cochrans.php": "https://skimap.org/skiareas/view/207",
+    "https://www.newenglandskihistory.com/NewHampshire/cograilway.php": None,
+    "https://www.newenglandskihistory.com/Maine/quarryroad.php": "https://skimap.org/skiareas/view/4154",
+    "https://www.newenglandskihistory.com/NewHampshire/copplecrownmtn.php": "https://skimap.org/skiareas/view/15173",
+    "https://www.newenglandskihistory.com/Vermont/cosmichill.php": None,
+    "https://www.newenglandskihistory.com/NewHampshire/cranmore.php": "https://skimap.org/skiareas/view/344",
+    "https://www.newenglandskihistory.com/NewHampshire/crotchedmtneast.php": None,
+    "https://www.newenglandskihistory.com/NewHampshire/dartmouth.php": "https://skimap.org/skiareas/view/345",
+    "https://www.newenglandskihistory.com/Vermont/dutchhill.php": "https://skimap.org/skiareas/view/4908",
+    "https://www.newenglandskihistory.com/Vermont/northeastslopes.php": "https://skimap.org/skiareas/view/3019",
+    "https://www.newenglandskihistory.com/Massachusetts/eastover.php": "https://skimap.org/skiareas/view/4920",
+    "https://www.newenglandskihistory.com/Maine/eaton.php": "https://skimap.org/skiareas/view/451",
+    "https://www.newenglandskihistory.com/Maine/enchantedmtn.php": "https://skimap.org/skiareas/view/3276",
+    "https://www.newenglandskihistory.com/Maine/evergreenvalley.php": "https://skimap.org/skiareas/view/3217",
+    "https://www.newenglandskihistory.com/Vermont/farrshill.php": None,
+    "https://www.newenglandskihistory.com/NewHampshire/gatewayhills.php": "https://skimap.org/skiareas/view/12239",
+    "https://www.newenglandskihistory.com/Vermont/timberridge.php": "https://skimap.org/skiareas/view/2753",
+    # Sugarbush North was originally developed as a standalone area known as Glen Ellen
+    "https://www.newenglandskihistory.com/Vermont/glenellen.php": None,
+    "https://www.newenglandskihistory.com/NewHampshire/granitegorge.php": "https://skimap.org/skiareas/view/1076",
+    "https://www.newenglandskihistory.com/Vermont/hardack.php": "https://skimap.org/skiareas/view/12835",
+    "https://www.newenglandskihistory.com/Vermont/haystack.php": "https://skimap.org/skiareas/view/2133",
+    "https://www.newenglandskihistory.com/Maine/hermonmtn.php": "https://skimap.org/skiareas/view/453",
+    # https://www.newenglandskihistory.com/Maine/hermon.php returns a 404, likely a duplicate of hermonmtn
+    "https://www.newenglandskihistory.com/Maine/hermon.php": None,
+    "https://www.newenglandskihistory.com/Vermont/highpond.php": "https://skimap.org/skiareas/view/2687",
+    "https://www.newenglandskihistory.com/NewHampshire/highlands.php": "https://skimap.org/skiareas/view/4788",
+    "https://www.newenglandskihistory.com/Vermont/hogback.php": "https://skimap.org/skiareas/view/4623",
+    "https://www.newenglandskihistory.com/Vermont/jaypeak.php": "https://skimap.org/skiareas/view/202",
+    "https://www.newenglandskihistory.com/Massachusetts/jiminypeak.php": "https://skimap.org/skiareas/view/443",
+    "https://www.newenglandskihistory.com/Massachusetts/jugend.php": "https://skimap.org/skiareas/view/12820",
+    "https://www.newenglandskihistory.com/NewHampshire/kanc.php": "https://skimap.org/skiareas/view/13097",
+    "https://www.newenglandskihistory.com/Vermont/killington.php": "https://skimap.org/skiareas/view/211",
+    "https://www.newenglandskihistory.com/NewHampshire/kingpine.php": "https://skimap.org/skiareas/view/354",
+    "https://www.newenglandskihistory.com/NewHampshire/kingridge.php": "https://skimap.org/skiareas/view/2656",
+    "https://www.newenglandskihistory.com/Massachusetts/atlanticforests.php": "https://skimap.org/skiareas/view/4693",
+    "https://www.newenglandskihistory.com/Maine/lonesomepine.php": "https://skimap.org/skiareas/view/3204",
+    "https://www.newenglandskihistory.com/NewHampshire/loon.php": "https://skimap.org/skiareas/view/352",
+    "https://www.newenglandskihistory.com/Maine/lostvalley.php": "https://skimap.org/skiareas/view/449",
+    "https://www.newenglandskihistory.com/Vermont/lyndon.php": "https://skimap.org/skiareas/view/3962",
+    "https://www.newenglandskihistory.com/Vermont/madriverglen.php": "https://skimap.org/skiareas/view/200",
+    "https://www.newenglandskihistory.com/Vermont/smugglersnotch.php": "https://skimap.org/skiareas/view/209",
+    "https://www.newenglandskihistory.com/Vermont/magicmtn.php": "https://skimap.org/skiareas/view/201",
+    "https://www.newenglandskihistory.com/Vermont/maplevalley.php": "https://skimap.org/skiareas/view/2660",
+    "https://www.newenglandskihistory.com/Maine/maymtn.php": "https://skimap.org/skiareas/view/4497",
+    "https://www.newenglandskihistory.com/NewHampshire/mcintyre.php": "https://skimap.org/skiareas/view/3012",
+    "https://www.newenglandskihistory.com/Vermont/middlebury.php": "https://skimap.org/skiareas/view/214",
+    # sub-peak of Cannon Mountain known as Mt. Jackson or Mittersill Peak
+    "https://www.newenglandskihistory.com/NewHampshire/mittersill.php": None,
+    "https://www.newenglandskihistory.com/Connecticut/mohawk.php": "https://skimap.org/skiareas/view/493",
+    "https://www.newenglandskihistory.com/Massachusetts/mtmohawk.php": "https://skimap.org/skiareas/view/17680",
+    "https://www.newenglandskihistory.com/NewHampshire/monteau.php": "https://skimap.org/skiareas/view/4625",
+    "https://www.newenglandskihistory.com/Vermont/mtsnow.php": "https://skimap.org/skiareas/view/210",
+    "https://www.newenglandskihistory.com/Maine/mtabram.php": "https://skimap.org/skiareas/view/447",
+    "https://www.newenglandskihistory.com/Vermont/mtaeolus.php": None,
+    "https://www.newenglandskihistory.com/NewHampshire/mteustis.php": "https://skimap.org/skiareas/view/2686",
+    "https://www.newenglandskihistory.com/Massachusetts/mtgreylockskiclub.php": "https://skimap.org/skiareas/view/3225",
+    "https://www.newenglandskihistory.com/Maine/mtjefferson.php": "https://skimap.org/skiareas/view/450",
+    "https://www.newenglandskihistory.com/Vermont/stowe.php": "https://skimap.org/skiareas/view/212",
+    "https://www.newenglandskihistory.com/NewHampshire/mtprospect.php": "https://skimap.org/skiareas/view/3224",
+    "https://www.newenglandskihistory.com/Connecticut/mtsouthington.php": "https://skimap.org/skiareas/view/494",
+    "https://www.newenglandskihistory.com/NewHampshire/sunapee.php": "https://skimap.org/skiareas/view/357",
+    "https://www.newenglandskihistory.com/Massachusetts/mttom.php": "https://skimap.org/skiareas/view/2250",
+    "https://www.newenglandskihistory.com/Vermont/mttom.php": "https://skimap.org/skiareas/view/4708",
+    "https://www.newenglandskihistory.com/NewHampshire/mtwhittier.php": "https://skimap.org/skiareas/view/2747",
+    "https://www.newenglandskihistory.com/Massachusetts/nashobavalley.php": "https://skimap.org/skiareas/view/436",
+    "https://www.newenglandskihistory.com/Vermont/okemo.php": "https://skimap.org/skiareas/view/204",
+    "https://www.newenglandskihistory.com/Massachusetts/osceola.php": "https://skimap.org/skiareas/view/4081",
+    "https://www.newenglandskihistory.com/Massachusetts/otisridge.php": "https://skimap.org/skiareas/view/434",
+    "https://www.newenglandskihistory.com/NewHampshire/patspeak.php": "https://skimap.org/skiareas/view/355",
+    "https://www.newenglandskihistory.com/Vermont/pico.php": "https://skimap.org/skiareas/view/1091",
+    "https://www.newenglandskihistory.com/Massachusetts/pineridge.php": "https://skimap.org/skiareas/view/12246",
+    "https://www.newenglandskihistory.com/Maine/pinnacle.php": "https://skimap.org/skiareas/view/3275",
+    "https://www.newenglandskihistory.com/Maine/shawneepeak.php": "https://skimap.org/skiareas/view/456",
+    "https://www.newenglandskihistory.com/Connecticut/powderridge.php": "https://skimap.org/skiareas/view/492",
+    "https://www.newenglandskihistory.com/Maine/powderhousehill.php": "https://skimap.org/skiareas/view/3210",
+    "https://www.newenglandskihistory.com/Vermont/prospectmtn.php": "https://skimap.org/skiareas/view/5007",
+    "https://www.newenglandskihistory.com/Vermont/quechee.php": "https://skimap.org/skiareas/view/215",
+    "https://www.newenglandskihistory.com/Maine/quoggyjo.php": "https://skimap.org/skiareas/view/3211",
+    "https://www.newenglandskihistory.com/NewHampshire/raggedmtn.php": "https://skimap.org/skiareas/view/351",
+    "https://www.newenglandskihistory.com/NewHampshire/redhilloutingclub.php": "https://skimap.org/skiareas/view/4158",
+    "https://www.newenglandskihistory.com/Maine/saddleback.php": "https://skimap.org/skiareas/view/446",
+    "https://www.newenglandskihistory.com/Connecticut/sundown.php": "https://skimap.org/skiareas/view/496",
+    "https://www.newenglandskihistory.com/Massachusetts/bradford.php": "https://skimap.org/skiareas/view/439",
+    "https://www.newenglandskihistory.com/RhodeIsland/skivalley.php": "https://skimap.org/skiareas/view/4528",
+    "https://www.newenglandskihistory.com/Massachusetts/ward.php": "https://skimap.org/skiareas/view/442",
+    "https://www.newenglandskihistory.com/NewHampshire/whaleback.php": "https://skimap.org/skiareas/view/1078",
+    "https://www.newenglandskihistory.com/Vermont/snowvalley.php": "https://skimap.org/skiareas/view/2668",
+    "https://www.newenglandskihistory.com/NewHampshire/snowsmtn.php": "https://skimap.org/skiareas/view/2655",
+    "https://www.newenglandskihistory.com/Vermont/sonnenberg.php": "https://skimap.org/skiareas/view/4722",
+    "https://www.newenglandskihistory.com/Maine/sprucemtn.php": "https://skimap.org/skiareas/view/2252",
+    "https://www.newenglandskihistory.com/NewHampshire/storrshill.php": "https://skimap.org/skiareas/view/4118",
+    "https://www.newenglandskihistory.com/Vermont/strattonmtn.php": "https://skimap.org/skiareas/view/213",
+    "https://www.newenglandskihistory.com/Vermont/sugarbush.php": "https://skimap.org/skiareas/view/205",
+    "https://www.newenglandskihistory.com/Maine/sugarloaf.php": "https://skimap.org/skiareas/view/448",
+    "https://www.newenglandskihistory.com/Maine/sundayriver.php": "https://skimap.org/skiareas/view/459",
+    "https://www.newenglandskihistory.com/Connecticut/woodbury.php": "https://skimap.org/skiareas/view/495",
+    "https://www.newenglandskihistory.com/NewHampshire/templemtn.php": "https://skimap.org/skiareas/view/2142",
+    "https://www.newenglandskihistory.com/NewHampshire/tenneymtn.php": "https://skimap.org/skiareas/view/1077",
+    "https://www.newenglandskihistory.com/NewHampshire/thornmtn.php": None,
+    "https://www.newenglandskihistory.com/Maine/titcomb.php": "https://skimap.org/skiareas/view/458",
+    "https://www.newenglandskihistory.com/NewHampshire/tyrol.php": "https://skimap.org/skiareas/view/4984",
+    "https://www.newenglandskihistory.com/NewHampshire/veteransmemorial.php": "https://skimap.org/skiareas/view/4092",
+    "https://www.newenglandskihistory.com/Massachusetts/wachusett.php": "https://skimap.org/skiareas/view/437",
+    "https://www.newenglandskihistory.com/NewHampshire/watervillevalley.php": "https://skimap.org/skiareas/view/353",
+    "https://www.newenglandskihistory.com/NewHampshire/wildcatmtn.php": "https://skimap.org/skiareas/view/356",
+    "https://www.newenglandskihistory.com/NewHampshire/woodyglen.php": "https://skimap.org/skiareas/view/16746",
+    "https://www.newenglandskihistory.com/RhodeIsland/yawgoovalley.php": "https://skimap.org/skiareas/view/236",
+}
+"""
+Mapping of ski areas from New England Ski History to SkiMap.org.
+Mapping established manually by inspecting the respective ski area pages and metadata.
+NESH ski areas that only map to a SkiMap ski area that absorbed them are mapped to None rather than the contemporary absorbing ski area.
+"""