Talk:Glacial erratic boulders of Island County, Washington

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Location map[edit]

Glacial erratic boulders of Island County, Washington is located in Washington (state)
Big Rock
Big Rock
Camano Island State Park
Camano Island State Park
Glacial erratic boulders of Island County, Washington (Washington (state))

Here's the basic location map; there's lots more parameters to decorate the map, but unfortunately the only relevant maps to choose from are the whole state, Template:Location map USA Washington Benton County, or Template:Location map USA Washington Yakima County, so we end up with all the dots way too close together crowded up in Island County. I still haven't found any documentation to speak of for how we make our own SVG maps for this purpose. Otherwise I'd whip them up with data from Open Street Map. So instead I'll make one with Tableau.

Also, we've been converting decimal coordinates to degrees, minutes and seconds. This requires converting them back to decimal whenever you want to work with them, like to make a map. Shouldn't we just use decimal all the time? --Dennis Bratland (talk) 23:28, 9 June 2015 (UTC)[reply]

Thanks for taking on the Tableau map work. I was thinking of adding something that showed the glacier in context of the islands like p. 1 of the Terry 2009 source. That's probably hard to do. As to the coordinate format, does consistency help at all? I've just been using whatever I find; if I pull the coordinates from my own photos usually I use DMS and if I get them from an online map I usually use D.DDD. But no big deal if you want to do something with them. — Brianhe (talk) 02:23, 10 June 2015 (UTC)[reply]
Consistency is the most important thing: if each template is in the same format then it can be converted quickly. The map seems to be taken from a previous source, [Porter, S.C., and Swanson, T.W. (1998). Advance and Retreat rate of the Cordilleran Ice Sheet in southeastern Puget Sound Region. Quaternary Research 50, 205-213.], which in turn comes from Ice-Sheet Glaciation of the Puget lowland, Washington, during the Vashon Stade (late pleistocene), Robert M. Thorson, 1979 or 1980? doi:10.1016/0033-5894(80)90059-9. So I could use the original map as a background in Tableau then plot an arbitrary number of geocoordinates for all the lines into a spreadsheet, which could then be used as a base map to plot our erratics on for each list. --Dennis Bratland (talk) 02:56, 10 June 2015 (UTC)[reply]

Uncertain find[edit]

I came across a website by a possible former geologist that mentioned "Kloochman Rock" at Penn Cove with these coordinates: 48°14′33.5″N 122°39′44.5″W / 48.242639°N 122.662361°W / 48.242639; -122.662361 (Kloochman Rock). It does show up online (Bing maps birds-eye view is especially nice); however, it doesn't seem to be confirmed by anything else so I'm tentative about adding it to the list. — Brianhe (talk) 02:19, 10 June 2015 (UTC)[reply]

Added some stuff on the rock, both blog authors appear to be geologist so the usual WP:SPS prohibitions don't apply. There's also this info I found on a geodetic marker there:
DESCRIBED BY COAST AND GEODETIC SURVEY 1951 (GAN) STATION IS THE HIGHEST PART OF PROMINENT PINNACLE ROCK ON THE HIGH-WATER LINE AT THE FOOT 
OF BLOWERS BLUFF AT THE WEST ENTRANCE TO OAK HARBOR ON THE SOUTH SIDE OF WHIDBEY ISLAND. PINNACLE IS ABOUT 35 FEET HIGH AND ONLY PROMINENT OBJECT 
OF THIS NATURE IN THE VICINITY. ROCK IS LOCALLY CALLED KLOOTCHMAN ROCK.
Looks like my prior height estimate was spot on. When I find the record for this I will add it as well. The coordinates I pulled from a map for the 35 foot boulder are 48°15′00″N 122°39′14″W / 48.25002°N 122.65397°W / 48.25002; -122.65397 (Kloochman Rock). Beautiful picture of it here. — Brianhe (talk) 16:20, 10 June 2015 (UTC)[reply]

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