Geologic Points 24k (0)
| Geochemical sample locality |
| Water well |
| Mylonite zone |
| Significant site |
| Electron microprobe sample locality |
| Earthquake hypocenter |
| Geologic unit too small to show as a polygon at map scale |
| Dry hole for hydrocarbon exploration |
| Location of photograph, schematic diagram, or stratigraphic column |
| Geophysical data collection locality |
| Drill holes and test pits |
| Paleomagnetic sample — Normal magnetization |
| Paleomagnetic sample — Transitional magnetization |
| Paleomagnetic sample — Reversed magnetization |
Attitude Measurements 24k (1)
| Horizontal bedding |
| Inclined bedding - Showing strike and dip |
| Vertical bedding - Showing strike |
| Overturned bedding, showing strike and dip |
| Approximate horizontal bedding |
| Approximate orientation of inclined bedding - Showing approximate strike and dip |
| Vertical or near vertical bedding - Showing approximate strike |
| Approximate orientation of overturned bedding - Showing approximate strike and dip |
| Approximate orientation of inclined bedding, where top direction of beds is know from local features - Showing approximate strike and dip |
| Inclined bedding, where top direction of beds is known from local features - Showing strike and dip |
| Overturned bedding, where top direction of beds is known from local features - Showing strike and dip |
| Vertical bedding, where top direction of beds is known from local features - Showing strike. Ball shows top direction |
| Inclined bedding in unconsolidated sedimentary deposits or unconsolidated fragmental deposits of volcanic origin - Showing strike and dip |
| Inclined foreset bedding in unconsolidated sedimentary deposits or unconsolidated fragmental deposits of volcanic origin - Showing strike and dip |
| Inclined topset bedding in unconsolidated sedimentary deposits or unconsolidated fragmental deposits of volcanic origin - Showing strike and dip |
| Inclined bottomset bedding in unconsolidated sedimentary deposits or unconsolidated fragmental deposits of volcanic origin - Showing strike and dip |
| Inclined flow banding, lamination, layering, or foliation in igneous rock - Showing strike and dip |
| Vertical flow banding, lamination, layering, or foliation in igneous rock - Showing strike |
| Inclined dike - Showing dip value and direction |
| Inclined contact - Showing dip value and direction |
| Small, minor inclined fault - Showing strike and dip |
| Small, minor vertical or near-vertical fault - Showing strike |
| Inclined slickenline, groove, or striation on fault surface - Showing bearing and plunge |
| Slickenside - Showing strike and dip |
| Vertical slickenside - Showing strike |
| Inclined fault - Showing dip value and direction |
| Shear - Showing strike and dip |
| Shear - Showing strike |
| Inclined metamorphic or tectonic foliation - Showing strike and dip |
| Vertical metamorphic or tectonic foliation - Showing strike |
| Horizontal metamorphic or tectonic foliation |
| Inclined metamorphic or tectonic foliation parallel to bedding - Showing strike and dip |
| Inclined first-generation metamorphic or tectonic foliation - Showing strike and dip |
| Inclined second-generation metamorphic or tectonic foliation - Showing strike and dip |
| Inclined third-generation metamorphic or tectonic foliation - Showing strike and dip |
| Vertical or near-vertical first-generation metamorphic or tectonic foliation - Showing strike |
| Inclined mylonitic foliation - Showing strike and dip |
| Small, minor inclined joint - Showing strike and dip |
| Small, minor vertical or near-vertical joint - Showing strike |
| Small, minor inclined vein, veinlet, or mineralized stringer - Showing strike and dip |
| Inclined cleavage (generic or type unspecified) - Showing strike and dip |
| Vertical cleavage (generic or type unspecified) - Showing strike |
| Horizontal aligned-mineral lineation - Showing bearing |
| Inclined aligned-mineral lineation - Showing bearing and plunge |
| Inclined aligned stretched-object lineation - Showing bearing and plunge |
| Inclined sole mark, tool mark, scour mark, flute mark, groove, or channel in sedimentary materials - Showing bearing and plunge |
| Inclined crenulation lineation -Showing bearing and plunge |
| Younger glacial striation or groove - Showing measured bearing and direction of flow. Dot indicates location of observation point |
| Inclined fold hinge of small, minor anticline - Showing bearing and plunge |
| Inclined fold hinge of small, minor syncline - Showing bearing and plunge |
| Inclined fold hinge of generic small, minor first-generation fold - Showing bearing and plunge |
| Inclined fold hinge of generic small, minor second-generation fold - Showing bearing and plunge |
| Inclined fold hinge of generic small, minor third-generation fold - Showing bearing and plunge |
| Inclined M-shaped minor fold hinge - Showing bearing and plunge |
| Inclined asymmetric (Z-shaped, clockwise sense of shear) minor fold hinge - Showing bearing and plunge |
| Inclined asymmetric (S-shaped, counterclockwise sense of shear) minor fold hinge - Showing bearing and plunge |
| Inclined fold hinge of generic (type or orientation unspecified) small, minor fold - Showing bearing and plunge |
| Inclined generic small, minor fold axial surface - Showing strike and dip |
| Inclined second-generation generic small, minor fold axial surface - Showing strike and dip |
| Small, minor dome |
| Spring |
Linear Geologic Features 24k (2)
| Direction of downslope movement of landslide |
| Cross section line |
| Perennial river, stream, or creek (single-line drainage) |
| Former shoreline or marine limit - Identity and existence certain, location accurate |
| Former shoreline or marine limit - Identity and existence questionable, location accurate |
| Supplementary topographic contour |
| Geophysical data collection line - Location accurate |
| Flow lines on lava flow |
| Structure contour - Location accurate |
| Structure contour - Location approximate |
| Geomorphic feature - Identity and existence certain, location accurate |
| Geomorphic feature - Identity and existence certain, location accurate |
| Miscellaneous linear feature |
| Mylonite or shear zone |
| Outcrop |
| Lineament of unknown origin - Identity and existence certain, location accurate |
| Geophysical lineament – Identity and existence certain, location accurate |
| Fluvial Terrace - Identity and existence certain, location accurate. Hachures point down slope |
| Landslide scarp - Identity and existence certain, location accurate. Hachures on downslope side |
| Landslide scarp - Identity or existence questionable, location accurate. Hachures point down slope. |
| Landslide scarp - Identity or existence questionable, location approximate. Hachures point down slope. |
| Potential (incipient) landslide scarp - Identity and existence certain, location accurate |
| Potential (incipient) landslide scarp - Identity and existence certain, location concealed |
| Fault scarp - Identity and existence certain, location accurate. Hachures point downslope. |
| Scarp of unknown origin - Identity and existence certain, location accurate. Hachures point down slope. |
| Fault scarp - Identity or existence questionable, location accurate. Hachures point down slope. |
| Fluvial Terrace – Identity and existence certain, location concealed. Hachures point down slope |
| Fluvial Terrace - Identity or existence questionable, location accurate. Hachures point down slope |
| Fluvial Terrace - Identity and existence certain, location inferred. Hachures point down slope |
| Geologic unit too thin to show as a polygon - Identity and existence certain, location accurate |
| Geologic unit too thin to show as a polygon - Identity and existence certain, location concealed |
| Geologic unit too thin to show as a polygon - Identity and existence certain, location inferred |
| Geologic unit too thin to show as a polygon - Identity or existence questionable, location inferred |
| Geologic unit too thin to show as a polygon - Identity or existence questionable, location accurate |
| Geologic unit too thin to show as a polygon - Identity and existence certain, location approximate |
| Geologic unit too thin to show as a polygon - Identity or existence questionable, location approximate |
| Paleosol - Identity and existence certain, location accurate |
| Paleosol - Identity or existence questionable, location inferred |
| Alpine ice limit - Identity or existence questionable, location accurate |
| Alpine ice limit - Identity or existence questionable, location approximate |
| Alpine ice limit - Identity or existence questionable, location inferred |
| Alpine ice limit - Identity or existence questionable, location concealed |
| Continental ice limit, late Wisconsinan - Identity and existence certain, location accurate |
| Continental ice limit, late Wisconsinan - Identity and existence certain, location approximate |
| Continental ice limit, late Wisconsinan - Identity and existence certain, location inferred |
| Continental ice limit, late Wisconsinan - Identity or existence questionable, location inferred |
| Continental ice limit, late Wisconsinan - Identity or existence questionable, location approximate |
| Continental ice limit, late Wisconsinan - Identity or existence questionable, location concealed |
| Coal bed - Identity and existence certain, location accurate |
| Coal bed - Identity and existence certain, location approximate |
| Coal bed - Identity and existence certain, location inferred |
| Coal bed - Identity and existence certain, location concealed |
| Coal bed - Identity or existence questionable, location inferred |
| Coal bed - Identity or existence questionable, location concealed |
| Geologic boundary - Identity and existence certain, location accurate |
| Geologic boundary - Identity and existence certain, location inferred |
| Geologic boundary - Identity and existence certain, location concealed |
| Cartographic boundary |
Folds 24k (3)
| (A) Anticline, certain accurate |
| (A) Anticline, questionable accurate |
| (A) Anticline, certain approximate |
| (A) Anticline, questionable approximate |
| (A) Anticline, certain inferred |
| (A) Anticline, questionable inferred |
| (A) Anticline, certain concealed |
| (A) Anticline, questionable concealed |
| (B) Syncline, certain accurate |
| (B) Syncline, questionable accurate |
| (B) Syncline, certain approximate |
| (B) Syncline, questionable approximate |
| (B) Syncline, certain inferred |
| (B) Syncline, questionable inferred |
| (B) Syncline, certain concealed |
| (B) Syncline, questionable concealed |
| (C) Overturned anticline, certain accurate |
| (C) Overturned anticline, questionable accurate |
| (C) Overturned anticline, certain approximate |
| (C) Overturned anticline, certain inferred |
| (C) Overturned anticline, certain concealed |
| (C) Overturned anticline, questionable concealed |
| (C) Overturned syncline, certain accurate |
| (C) Overturned syncline, certain approximate |
| (C) Overturned syncline, certain inferred |
| (C) Overturned syncline, certain concealed |
| (D) Monocline, anticlinal bend, certain accurate |
| (D) Monocline, anticlinal bend, certain approximate |
| (D) Monocline, anticlinal bend, questionable approximate |
| (D) Monocline, anticlinal bend, certain concealed |
| (D) Monocline, anticlinal bend, questionable concealed |
| (D) Monocline, synclinal bend, certain accurate |
| (D) Monocline, synclinal bend, certain approximate |
| (D) Monocline, synclinal bend, certain concealed |
Faults 24k (4)
| (B) Normal, certain accurate |
| (B) Normal, questionable accurate |
| (B) Normal, certain approximate |
| (B) Normal, questionable approximate |
| (B) Normal, certain inferred |
| (B) Normal, questionable inferred |
| (B) Normal, certain concealed |
| (B) Normal, questionable concealed |
| (Bb) Reverse, certain accurate |
| (Bb) Reverse, questionable accurate |
| (Bb) Reverse, certain approximate |
| (Bb) Reverse, questionable approximate |
| (Bb) Reverse, certain inferred |
| (Bb) Reverse, questionable inferred |
| (Bb) Reverse, certain concealed |
| (Bb) Reverse, questionable concealed |
| (F) Thrust, certain accurate |
| (F) Thrust, questionable accurate |
| (F) Thrust, certain approximate |
| (F) Thrust, questionable approximate |
| (F) Thrust, certain inferred |
| (F) Thrust, questionable inferred |
| (F) Thrust, certain concealed |
| (F) Thrust, questionable concealed |
| (C) High-angle, certain accurate |
| (C) High-angle, questionable accurate |
| (C) High-angle, certain approximate |
| (C) High-angle, questionable approximate |
| (C) High-angle, certain inferred |
| (C) High-angle, questionable inferred |
| (C) High-angle, certain concealed |
| (C) High-angle, questionable concealed |
| (D) Right-lateral, certain accurate |
| (D) Right-lateral, questionable accurate |
| (D) Right-lateral, certain approximate |
| (D) Right-lateral, questionable approximate |
| (D) Right-lateral, certain inferred |
| (D) Right-lateral, questionable inferred |
| (D) Right-lateral, certain concealed |
| (D) Right-lateral, questionable concealed |
| (D) Left-lateral, certain accurate |
| (D) Left-lateral, certain approximate |
| (D) Left-lateral, questionable approximate |
| (D) Left-lateral, certain inferred |
| (D) Left-lateral, questionable inferred |
| (D) Left-lateral, certain concealed |
| (D) Left-lateral, questionable concealed |
| (Ea) Oblique normal right-lateral, certain accurate |
| (Ea) Oblique normal right-lateral, certain approximate |
| (Ea) Oblique normal right-lateral, questionable approximate |
| (Ea) Oblique normal right-lateral, certain inferred |
| (Ea) Oblique normal right-lateral, questionable inferred |
| (Ea) Oblique normal right-lateral, certain concealed |
| (Ea) Oblique normal right-lateral, questionable concealed |
| (Ea) Oblique normal left-lateral, certain accurate |
| (Ea) Oblique normal left-lateral, certain inferred |
| (Ea) Oblique normal left-lateral, certain concealed |
| (Eb) Oblique reverse right-lateral, certain accurate |
| (Eb) Oblique reverse right-lateral, certain approximate |
| (Eb) Oblique reverse right-lateral, questionable approximate |
| (Eb) Oblique reverse right-lateral, certain inferred |
| (Eb) Oblique reverse right-lateral, questionable inferred |
| (Eb) Oblique reverse right-lateral, certain concealed |
| (Eb) Oblique reverse right-lateral, questionable concealed |
| (Eb) Oblique reverse left-lateral, certain accurate |
| (Eb) Oblique reverse left-lateral, questionable approximate |
| (Eb) Oblique reverse left-lateral, certain inferred |
| (Eb) Oblique reverse left-lateral, questionable inferred |
| (Eb) Oblique reverse left-lateral, certain concealed |
| (Eb) Oblique reverse left-lateral, questionable concealed |
| (Ec) Oblique high-angle right-lateral, certain accurate |
| (Ec) Oblique high-angle right-lateral, questionable accurate |
| (Ec) Oblique high-angle right-lateral, certain approximate |
| (Ec) Oblique high-angle right-lateral, questionable approximate |
| (Ec) Oblique high-angle right-lateral, certain inferred |
| (Ec) Oblique high-angle right-lateral, questionable inferred |
| (Ec) Oblique high-angle right-lateral, certain concealed |
| (Ec) Oblique high-angle right-lateral, questionable concealed |
| (Ec) Oblique high-angle left-lateral, certain accurate |
| (Ec) Oblique high-angle left-lateral, certain approximate |
| (Ec) Oblique high-angle left-lateral, questionable approximate |
| (Ec) Oblique high-angle left-lateral, certain inferred |
| (Ec) Oblique high-angle left-lateral, questionable inferred |
| (Ec) Oblique high-angle left-lateral, certain concealed |
| (Ec) Oblique high-angle left-lateral, questionable concealed |
| (A) Fault, certain accurate |
| (A) Fault, questionable accurate |
| (A) Fault, certain approximate |
| (A) Fault, questionable approximate |
| (A) Fault, certain inferred |
| (A) Fault, questionable inferred |
| (A) Fault, certain concealed |
| (A) Fault, questionable concealed |
| (G) Fracture, certain approximate |
Dikes 24k (5)
| Dike - Identity and existence certain, location accurate |
| Dike - Identity and existence certain, location concealed |
| Dike - Identity and existence certain, location approximate |
| Sill - Identity and existence certain, location accurate |
| Dike - Identity and existence questionable, location accurate |
| Dike - Identity or existence questionable, location inferred |
| Dike - Identity or existence certain, location inferred |
| Dike - Identity and existence certain, location accurate |
Contacts 24k (6)
| Contact - Identity and existence certain, location accurate |
| Contact - Identity or existence questionable, location accurate |
| Contact - Identity and existence certain, location approximate |
| Contact - Identity or existence questionable, location approximate |
| Contact - Identity and existence certain, location inferred |
| Contact - Identity or existence questionable, location inferred |
| Contact - Identity and existence certain, location concealed |
| Contact - Identity or existence questionable, location concealed |
| Scratch boundary |
| Gradational contact - Identity and existence certain, location accurate |
| Bedding form lines, identity and existence certain, location accurate |
| Bedding form lines - Identity and existence certain, location inferred |
| Shoreline - Showing open water |
| Shoreline, low tide |
| Modern or present-day glacial ice boundary |
| Map boundary |
Miscellaneous Polygons 24k (7)
| Zone of mineralized or altered rock |
| Area of outcrop |
| Geomorphic feature |
| Area of identified mineral resources |
| Other |
| Ductile shear zone or mylonite zone - May or may not be associated with mappable faults |
| Dike swarm |
Geologic Units 24k (8)
| Holocene artificial fill and modified land |
| Pleistocene alpine glacial drift |
| Pleistocene continental glacial drift |
| Pleistocene continental glacial till |
| Pleistocene glacial and nonglacial deposits |
| Pleistocene glaciolacustrine deposits |
| Pleistocene outburst flood deposits |
| Pleistocene sedimentary rocks and deposits |
| Pleistocene volcanic rocks |
| Quaternary alluvium |
| Quaternary bog, marsh, swamp, or lake deposits |
| Quaternary dune sand |
| Quaternary eolian deposits, loess |
| Quaternary fragmental volcanic rocks and deposits (includes lahars) |
| Quaternary mass-wasting deposits |
| Quaternary volcanic rocks |
| Quaternary-Tertiary intrusive rocks |
| Quaternary-Tertiary sedimentary rocks and deposits |
| Quaternary-Tertiary volcanic rocks |
| Tertiary intrusive rocks |
| Tertiary sedimentary rocks and deposits |
| Tertiary volcanic and sedimentary rocks |
| Tertiary volcanic rocks |
| Tertiary fragmental volcanic rocks and deposits (includes lahars) |
| pre-Tertiary heterogeneous metamorphic rocks |
| Tertiary-Cretaceous intrusive rocks |
| Mesozoic ultramafic rocks |
| Mesozoic heterogeneous metamorphic rocks |
| Mesozoic intrusive rocks |
| Mesozoic metamorphic and igneous rocks |
| Mesozoic metasedimentary rocks |
| Mesozoic metavolcanic rocks |
| Mesozoic sedimentary rocks and deposits |
| Mesozoic-Paleozoic volcanic rocks |
| Mesozoic-Paleozoic heterogeneous metamorphic rocks |
| Mesozoic-Paleozoic metasedimentary rocks |
| Mesozoic-Paleozoic ultramafic rocks |
| Paleozoic heterogeneous metamorphic rocks |
| Paleozoic intrusive rocks |
| Paleozoic metasedimentary rocks |
| Paleozoic metavolcanic rocks |
| Paleozoic sedimentary rocks |
| Paleozoic volcanic rocks |
| Paleozoic-Precambrian metasedimentary rocks |
| Precambrian metasedimentary rocks |
| Precambrian metavolcanic rocks |
| Water |
| Unknown or other |
| Tectonic zones |
| Ice |
1:24,000 Geology Coverage (9)
|