parcel south edge length 320.0 ft, bearing 88.95 deg (grid east) parcel vertices in plan coords: 337.5 114.8 337.6 99.8 338.3 0.0 308.3 0.0 208.4 -0.0 158.4 -0.0 108.6 0.0 83.6 0.0 18.3 0.0 18.2 20.0 18.1 39.9 17.9 59.9 17.8 79.9 17.6 114.8 17.2 194.0 57.5 194.0 107.3 194.0 156.8 194.0 207.2 194.0 307.1 194.0 337.0 194.0 337.5 114.8 origin O lat/lon: (-87.64217163039008, 41.869077623265916) ('Academy parcel SW corner', 18.3, 0.0, 41.869079, -87.642104, 'Cook County parcel polygon (PIN 17-16-324-029), 2021 GIS', 'survey-grade GIS parcel (few ft)') ('Academy parcel SE corner', 338.3, 0.0, 41.869095, -87.640926, 'Cook County parcel polygon (PIN 17-16-324-029), 2021 GIS', 'survey-grade GIS parcel (few ft)') ('Academy parcel NW corner', 17.2, 194.0, 41.869611, -87.642121, 'Cook County parcel polygon (PIN 17-16-324-029), 2021 GIS', 'survey-grade GIS parcel (few ft)') ('Academy parcel NE corner', 337.0, 194.0, 41.869627, -87.640943, 'Cook County parcel polygon (PIN 17-16-324-029), 2021 GIS', 'survey-grade GIS parcel (few ft)') ('Block 38 SW corner (Jefferson E line x DeKoven N line) = plan origin', 0, 0, 41.869078, -87.642172, 'derived: parcel SW corner - 18.3 ft (lot-line vertex offsets)', 'estimate +-2 ft') ('Block 38 SE corner (Clinton W line x DeKoven N line)', 358.4, 0, 41.869096, -87.640852, '1833 plat width 358 ft; G-sub 83.4+E1/2 lot13 25+5x50', '+-2 ft') ('Block 38 NW corner (Jefferson E line x Taylor S line)', 0, 215.8, 41.869669, -87.642186, 'S half 100.75 (G-sub 5x20.15) + alley 15 + N half ~100 (1875 survey of adjoining blocks 99.55-100.83)', '+-2 ft') ('Block 38 NE corner', 358.4, 215.8, 41.869687, -87.640866, 'as above', '+-2 ft') ("Alley south line at O'Leary lot (x=133.4..158.4)", 145.9, 100.8, 41.869361, -87.641641, 'G-sub depth 100.75; parcel vertex 15-ft alley segment', '+-1 ft') ('Alley north line', 145.9, 115.8, 41.869402, -87.641642, '15-ft alley (Musham plan; parcel vertex)', '+-1 ft') ('Block 38 lot 14 (G-sub 1874: 5 lots 20.15 x 83.4 facing Jefferson) west line on DeKoven', 0, 0, 41.869078, -87.642172, 'Greeley-Carlson 1891 pl.28 (4.03 px/ft) + parcel vertices', '+-1.5 ft') ('Block 38 lot 13 west line on DeKoven', 58.4, 0, 41.869081, -87.641957, 'Greeley-Carlson 1891 pl.28 (4.03 px/ft) + parcel vertices', '+-1.5 ft') ('Block 38 lot 12 west line on DeKoven', 108.4, 0, 41.869083, -87.641772, 'Greeley-Carlson 1891 pl.28 (4.03 px/ft) + parcel vertices', '+-1.5 ft') ('Block 38 lot 11 west line on DeKoven', 158.4, 0, 41.869086, -87.641588, 'Greeley-Carlson 1891 pl.28 (4.03 px/ft) + parcel vertices', '+-1.5 ft') ('Block 38 lot 10 west line on DeKoven', 208.4, 0, 41.869088, -87.641404, 'Greeley-Carlson 1891 pl.28 (4.03 px/ft) + parcel vertices', '+-1.5 ft') ('Block 38 lot 9 west line on DeKoven', 258.4, 0, 41.869091, -87.64122, 'Greeley-Carlson 1891 pl.28 (4.03 px/ft) + parcel vertices', '+-1.5 ft') ('Block 38 lot 8 west line on DeKoven', 308.4, 0, 41.869093, -87.641036, 'Greeley-Carlson 1891 pl.28 (4.03 px/ft) + parcel vertices', '+-1.5 ft') ("O'Leary lot (137) = E 1/2 lot 12, SW corner (street line)", 133.4, 0, 41.869084, -87.64168, 'Musham 1940 plan (saloon-face calibrated) + 1891 numbering + Bales lot refs', '+-1.5 ft') ("O'Leary lot SE corner (street line)", 158.4, 0, 41.869086, -87.641588, '', '') ("O'Leary lot NE corner (alley)", 158.4, 100.8, 41.869362, -87.641595, '', '') ("O'Leary lot NW corner (alley)", 133.4, 100.8, 41.869361, -87.641687, '', '') ("O'Leary barn SW corner (20 ft E-W x 16 ft N-S at alley, W side of lot)", 133.4, 84.8, 41.869317, -87.641686, 'Musham plan: barn 16x20 on alley, passage on E side; Andreas: S line 8 ft N of Dalton rear', '+-3 ft') ("O'Leary barn SE corner", 153.4, 84.8, 41.869318, -87.641612, '', '') ("O'Leary barn NE corner", 153.4, 100.8, 41.869362, -87.641613, '', '') ("O'Leary barn NW corner", 133.4, 100.8, 41.869361, -87.641687, '', '') ("O'Leary cottages (double, 16 wide x 36 N-S) SW corner", 137.0, 2.0, 41.86909, -87.641667, 'Andreas 36 ft N-S front nearly on street line; Musham plan 16 ft wide, ~3 ft in from W line', '+-3 ft') ("O'Leary cottages NE corner", 153.0, 38.0, 41.869189, -87.641611, '', '') ("Dalton house (135) SW corner on O'Leary E line", 158.4, 38.0, 41.86919, -87.641591, "Andreas: on W line of lot, front 2 ft S of O'Leary N line, 40 ft deep, 4 ft above ground on posts", '+-3 ft') ('Dalton house NE corner (width ~20 ft estimated from Musham plan)', 178.4, 78.0, 41.8693, -87.64152, '', 'width is estimate') ('Dalton shed 12x20 at alley, W side of lot', 158.4, 88.8, 41.869329, -87.641594, 'Andreas 12x20 shed at rear on W side; Musham plan', '+-3 ft') ('Dalton 8-ft fence from house to shed on lot W line', 158.4, 78.0, 41.869299, -87.641594, 'Andreas', '') ('133 (Lee/Canavan/Forbes) = E 1/2 lot 11 west line', 183.4, 0, 41.869087, -87.641496, '', '') ('Block 38 south part, NW corner (Jefferson E line x DeKoven S line)', 0, -60.0, 41.868913, -87.642168, 'DeKoven 60 ft (1891 plate, Musham, Sanborn 1906)', '+-2 ft') ('Block 38 (S of DeKoven) orig. lots 15-17 = H-sub 1883 lots 3-6 (100 ft deep, face Jefferson) west line on DeKoven S line', 0, -60.0, 41.868913, -87.642168, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) private alley 8.5 west line on DeKoven S line', 100, -60.0, 41.868918, -87.641799, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) H lot 2 (No.140) west line on DeKoven S line', 108.5, -60.0, 41.868919, -87.641768, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) H lot 1 (No.138) west line on DeKoven S line', 133.5, -60.0, 41.86892, -87.641676, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) lot 18 W (No.136) west line on DeKoven S line', 158.5, -60.0, 41.868921, -87.641584, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) lot 18 E (No.134, Catherine Sullivan) west line on DeKoven S line', 183.5, -60.0, 41.868922, -87.641492, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) lot 19 W (No.132) west line on DeKoven S line', 208.5, -60.0, 41.868924, -87.6414, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) lot 19 E (No.130, William White) west line on DeKoven S line', 233.5, -60.0, 41.868925, -87.641308, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) lot 20 W (No.128) west line on DeKoven S line', 258.5, -60.0, 41.868926, -87.641216, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) lot 20 E (No.126) west line on DeKoven S line', 283.5, -60.0, 41.868927, -87.641124, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) lot 21 W (No.124) west line on DeKoven S line', 308.5, -60.0, 41.868929, -87.641031, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('Block 38 (S of DeKoven) lot 21 E (No.122) west line on DeKoven S line', 333.5, -60.0, 41.86893, -87.640939, '1891 pl.28 H-sub dims + 1891/1906 house numbers at 25-ft granularity + Bales (White E1/2 lot 19) + Andreas affidavit (137 = E1/2 lot 12)', '+-2 ft') ('South side lots north half depth (H lots 1-2: 100.6 ft)', 0, -160.6, 41.868637, -87.642161, '1891 pl.28 H-sub', '') ('CFD Fire Academy front wing SW corner', 65.6, 13.6, 41.869118, -87.641931, 'Chicago Building Footprints (data.cityofchicago.org syp8-uezg) via parcels/chicago_footprints_block.geojson', 'GIS footprint, +-3 ft') ('CFD Fire Academy front wing SE corner', 217.7, 14.1, 41.869127, -87.641371, 'Chicago Building Footprints (data.cityofchicago.org syp8-uezg) via parcels/chicago_footprints_block.geojson', 'GIS footprint, +-3 ft') ('CFD Fire Academy front wing NE corner', 217.5, 80.6, 41.86931, -87.641376, 'Chicago Building Footprints (data.cityofchicago.org syp8-uezg) via parcels/chicago_footprints_block.geojson', 'GIS footprint, +-3 ft') ('CFD Fire Academy front wing rear wall at x=127', 127.2, 80.5, 41.869305, -87.641709, 'Chicago Building Footprints (data.cityofchicago.org syp8-uezg) via parcels/chicago_footprints_block.geojson', 'GIS footprint, +-3 ft') ('CFD Fire Academy west wing NW corner', 32.3, 188.6, 41.869596, -87.642065, 'Chicago Building Footprints (data.cityofchicago.org syp8-uezg) via parcels/chicago_footprints_block.geojson', 'GIS footprint, +-3 ft') ('CFD Fire Academy rear wing NE corner', 117.4, 181.8, 41.869582, -87.641751, 'Chicago Building Footprints (data.cityofchicago.org syp8-uezg) via parcels/chicago_footprints_block.geojson', 'GIS footprint, +-3 ft')