# shape of Portage Lake IRI: Type: [geo:Geometry](http://www.opengis.net/ont/geosparql#Geometry) Location: 42.42858, -83.91465 (box -83.92763, 42.41456, -83.90166, 42.44260; west, south, east, north) - `adms:identifier`: [gnis-3dhp-shape 635279](https://ontology.bommaritollc.com/id/01a0de2c-d330-7002-9d86-55bee2b73d0b) - `geo:asWKT`: MULTIPOLYGON (((-83.925994 42.417259, -83.925661 42.417618, -83.9244 42.416875, -83.923518 42.416555, -83.919971 42.416028, -83.918873 42.415288, -83.918081 42.415036, -83.916467 42.414995, -83.915282 42.415189, -83.914711 42.415454, -83.913352 42.415471, -83.911499 42.416067, -83.911838 42.415718, -83.911678 42.415295, -83.911209 42.415156, -83.9112 42.414563, -83.911062 42.414566, -83.910969 42.415111, -83.909973 42.415586, -83.908984 42.415613, -83.908554 42.415484, -83.907482 42.417301, -83.906655 42.418089, -83.906657 42.418886, -83.908259 42.41931, -83.907986 42.420154, -83.908259 42.420821, -83.908504 42.421001, -83.908323 42.421124, -83.908433 42.421224, -83.908922 42.420938, -83.908608 42.421238, -83.908641 42.421602, -83.910338 42.42438, -83.910461 42.425094, -83.909303 42.426311, -83.909313 42.426739, -83.908886 42.427007, -83.908875 42.427316, -83.907971 42.427717, -83.907748 42.427616, -83.907346 42.426992, -83.908214 42.426286, -83.908022 42.426164, -83.906803 42.427211, -83.907344 42.427229, -83.907725 42.427735, -83.90614 42.428259, -83.905388 42.427767, -83.906079 42.428462, -83.905313 42.428877, -83.904939 42.429855, -83.905665 42.431373, -83.90482 42.431476, -83.904611 42.431645, -83.903784 42.431324, -83.903763 42.431088, -83.904213 42.430798, -83.904001 42.430462, -83.90355 42.430933, -83.903322 42.431669, -83.903473 42.431686, -83.903649 42.431423, -83.904685 42.431761, -83.904679 42.43253, -83.904056 42.433084, -83.903353 42.432939, -83.902656 42.432981, -83.902079 42.43437, -83.901843 42.434526, -83.902024 42.434672, -83.902203 42.434584, -83.902303 42.434238, -83.902979 42.433465, -83.903559 42.433198, -83.903843 42.433281, -83.903701 42.433891, -83.9028 42.434993, -83.902716 42.435361, -83.903331 42.436857, -83.90415 42.437942, -83.902893 42.438472, -83.901835 42.437337, -83.901664 42.437347, -83.902788 42.438581, -83.902495 42.438738, -83.90284 42.438681, -83.903443 42.439259, -83.903636 42.439232, -83.903003 42.438565, -83.904289 42.438085, -83.90467 42.438652, -83.905623 42.439056, -83.907401 42.439199, -83.907687 42.441095, -83.907599 42.438913, -83.908387 42.438459, -83.908817 42.442604, -83.909217 42.442561, -83.909002 42.438434, -83.9088 42.437785, -83.909289 42.436225, -83.910214 42.436403, -83.91039 42.436662, -83.910117 42.437519, -83.910596 42.442411, -83.910952 42.442407, -83.91069 42.438669, -83.911246 42.438693, -83.910699 42.438488, -83.910655 42.43796, -83.911166 42.437906, -83.911093 42.437719, -83.910598 42.437619, -83.910675 42.43713, -83.911115 42.436851, -83.910745 42.436685, -83.910769 42.436026, -83.909246 42.436011, -83.909304 42.435829, -83.909765 42.435512, -83.9107 42.435339, -83.910916 42.435114, -83.911881 42.432896, -83.912446 42.432562, -83.912748 42.432779, -83.912607 42.432474, -83.913259 42.431896, -83.913229 42.431461, -83.913399 42.431407, -83.913571 42.431749, -83.913976 42.431609, -83.913896 42.431372, -83.913504 42.431216, -83.914251 42.430375, -83.915852 42.430297, -83.917095 42.429569, -83.917621 42.428979, -83.918082 42.428796, -83.918928 42.430037, -83.919802 42.430659, -83.92095 42.430705, -83.921749 42.430292, -83.923614 42.430211, -83.923415 42.429979, -83.92134 42.429976, -83.920526 42.430433, -83.919912 42.430297, -83.919568 42.429745, -83.918908 42.429389, -83.919035 42.428648, -83.919716 42.42868, -83.919074 42.428403, -83.919038 42.427722, -83.918435 42.427132, -83.917708 42.427301, -83.917832 42.427466, -83.917125 42.428453, -83.917219 42.42881, -83.916207 42.428374, -83.915577 42.428465, -83.914656 42.429243, -83.914398 42.430138, -83.91394 42.429895, -83.913773 42.429444, -83.914 42.428873, -83.9152 42.428376, -83.917226 42.426227, -83.918823 42.425204, -83.920828 42.425028, -83.921375 42.425123, -83.922369 42.424916, -83.923152 42.425303, -83.924831 42.424715, -83.926001 42.423304, -83.925878 42.422908, -83.926398 42.422619, -83.926887 42.421922, -83.927188 42.420461, -83.927629 42.419926, -83.927337 42.418881, -83.92701 42.418493, -83.925844 42.417741, -83.926191 42.417392, -83.925994 42.417259), (-83.924502 42.424741, -83.924063 42.424744, -83.923317 42.42513, -83.922397 42.424698, -83.923164 42.424097, -83.92575 42.422964, -83.925887 42.423295, -83.924502 42.424741))) (geo:wktLiteral) - `prov:wasDerivedFrom`: [evidence from https://3dhp.nationalmap.gov/arcgis/rest/services/usgs\_3dhp\_all/FeatureServer](https://ontology.bommaritollc.com/id/01a0de2c-d32f-74ca-a4cb-57b8d10e402d) - **simplification tolerance** (`bcgeo:simplificationTolerance`): 25.0 (xsd:double) ## Elsewhere - [OpenStreetMap](https://www.openstreetmap.org/?mlat=42.42858&mlon=-83.91465#map=14/42.42858/-83.91465) (42.42858, -83.91465) - [Google Maps](https://www.google.com/maps/search/?api=1&query=42.42858,-83.91465) - [Source](https://3dhp.nationalmap.gov/arcgis/rest/services/usgs_3dhp_all/FeatureServer) (3dhp.nationalmap.gov) ## Pointing here - Default geometry of (1; `geo:hasDefaultGeometry`): - [Portage Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c4d3-700d-8198-5545d8d7a0a9) - Geometry of (1; `geo:hasGeometry`): - [Portage Lake](https://ontology.bommaritollc.com/id/01a0ddfe-c4d3-700d-8198-5545d8d7a0a9) --- Also as: [Turtle](https://ontology.bommaritollc.com/id/01a0de2c-d32f-74ca-a4cb-57b972b83609.ttl), [JSON-LD](https://ontology.bommaritollc.com/id/01a0de2c-d32f-74ca-a4cb-57b972b83609.jsonld), [N-Triples](https://ontology.bommaritollc.com/id/01a0de2c-d32f-74ca-a4cb-57b972b83609.nt), [HTML](https://ontology.bommaritollc.com/id/01a0de2c-d32f-74ca-a4cb-57b972b83609) Cite as: shape of Portage Lake. bc-ontology, release 0.1.0-rc15, 2026-09-28. https://ontology.bommaritollc.com/id/01a0de2c-d32f-74ca-a4cb-57b972b83609 Release 0.1.0-rc15, graph hash 90961d0d6b29954f5f0257ebc2d1d12c6ce580def6a2f45cbf04d248aa879e72.