BOUNDCRS[SOURCECRS[PROJCRS["NAD83 / Alaska zone 4",BASEGEOGCRS["NAD83",DATUM["North American Datum 1983",ELLIPSOID["GRS 1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",4269]],CONVERSION["SPCS83 Alaska zone 4 (meter)",METHOD["Transverse Mercator",ID["EPSG",9807]],PARAMETER["Latitude of natural origin",54,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8801]],PARAMETER["Longitude of natural origin",-150,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8802]],PARAMETER["Scale factor at natural origin",0.9999,SCALEUNIT["unity",1],ID["EPSG",8805]],PARAMETER["False easting",500000,LENGTHUNIT["metre",1],ID["EPSG",8806]],PARAMETER["False northing",0,LENGTHUNIT["metre",1],ID["EPSG",8807]]],CS[Cartesian,2],AXIS["easting (X)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing (Y)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering survey, topographic mapping."],AREA["United States (USA) - Alaska - between 152°W and 148°W, onshore."],BBOX[59.11,-152.01,70.63,-147.99]],ID["EPSG",26934]]],TARGETCRS[VERTCRS["NAVD88 height",VDATUM["North American Vertical Datum 1988"],CS[vertical,1],AXIS["gravity-related height (H)",up,LENGTHUNIT["metre",1]],USAGE[SCOPE["Geodesy, engineering survey, topographic mapping."],AREA["Mexico - onshore. United States (USA) - CONUS and Alaska - onshore - Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming."],BBOX[14.51,172.42,71.4,-66.91]],ID["EPSG",5703]]],ABRIDGEDTRANSFORMATION["NAD83 to NAVD88 height (4)",METHOD["Geographic3D to GravityRelatedHeight (gtx)",ID["EPSG",9665]],PARAMETERFILE["Geoid (height correction) model file","g2003u04.bin"],USAGE[SCOPE["Derivation of approximate gravity-related heights from GNSS observations."],AREA["United States (USA) - CONUS onshore north of 41°N and east of 78°W - Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont; New Jersey north of 41°N; New York and Pennsylvania north of 41°N and east of 78°W."],BBOX[41,-78,47.47,-66.91]],ID["EPSG",10016],REMARK["Uses Geoid03 hybrid model. See information source for further information. Note: Source CRS is 2D, used in this application of the method as a pseudo-3D CRS."]]]