Alphabetical listing of categories: P

Topics A-Z

Number of information resources is shown in parentheses after each term.

paleomagnetic analysis (12) invertebrate paleontology (2) paleontology (4) paleotectonic maps (5) -> maps and atlases -> tectonic processes paleozoology -> paleontology (4) palladium (47) palm tree reserves -> reserves (1) pamphlets, brochures, and booklets -> reports (15) pans (geologic) -> basins (1) papers (publications) -> reports (15) land parcels (1) lots (land parcels) -> land parcels (1) park gates -> parks (2) park headquarters -> buildings (9) industrial parks -> industrial sites (9) marine parks -> parks (2) national parks -> parks (2) parks (2) provincial parks -> parks (2) state parks -> parks (2) urban parks -> parks (2) parkways -> roadways (1) particle-beam spectroscopy (47) particle-size analysis -> grain-size analysis (11) atmospheric deposition (chemical & particulate) (1) atmospheric deposition (chemical and particulate) -> atmospheric deposition (chemical & particulate) (1) land partitioning systems -> cadastral and legal land descriptions (1) partnerships (6) ice patches -> ice masses (1) patrol posts -> buildings (9) pavilions -> buildings (9) peat cutting areas -> wetlands (1) peatlands -> wetlands (1) permafrost (2) permeability (1) soil permeability -> permeability (1) petrography (17) petroleum (3) petroleum basins -> mineral deposit areas (338) petroleum fields -> oil fields (1) petroleum resources (gas) -> natural gas resources (1) petroleum resources (oil) -> oil resources (1) petrology (7) water pH (30) pH (water) -> water pH (30) phosphate works -> industrial sites (9) phosphorus (136) photogrammetry -> remote sensing (246) photographs (3) -> image collections -> photography aerial photography (1) photography (3) satellite photography -> visible light imaging (2) phylogeny -> paleontology (4) biological and physical processes (107) physiographic features (401) physiography -> land surface characteristics (7) picnic areas -> parks (2) pictures -> image collections (48) tailing piles -> mine waste (63) pitches (physiographic) -> physiographic features (401) open pit mines -> mine sites (167) gravel pits -> mine sites (167) placer deposit mining (6) placer mines -> mine sites (167) placers -> mineral deposit areas (338) governed places -> administrative areas (1) halting places (transportation) -> transportation features (1) plains (1) planetariums -> buildings (9) emergency response planning -> hazard preparedness (1) environmental planning -> natural resource management (123) planning reports -> reports (15) strategic plans (1) cement plants -> industrial sites (9) electric plants -> power generation sites (1) gas-oil separation plants -> industrial sites (9) munitions plants -> industrial sites (9) nuclear power plants -> power generation sites (1) ore treatment plants -> industrial sites (9) power plants -> power generation sites (1) processing plants -> industrial sites (9) steam plants -> power generation sites (1) treatment plants -> buildings (9) plants (industrial) -> industrial sites (9) inductively coupled plasma-atomic emission spectrometry -> atomic emission spectroscopy (149) plateaus (1) plate tectonics -> tectonic processes (18) platinum (53) platinum-group elements (8) platinum-group metals -> platinum-group elements (8) playgrounds -> parks (2) plazas -> buildings (9) plutonic rocks (32) polders -> physiographic features (401) police posts -> buildings (9) contamination and pollution (96) industrial pollution (79) nonpoint-source pollution (1) pollution -> contamination and pollution (96) soil pollution (1) -> contamination and pollution -> soil resources water pollution (9) -> contamination and pollution -> water resources polychlorinated biphenyls -> industrial pollution (79) study polygons -> study areas (8) beaver ponds -> lakes (4) fish ponds -> lakes (4) intermittent ponds -> lakes (4) intermittent salt ponds -> lakes (4) ponds -> lakes (4) salt evaporation ponds -> lakes (4) salt ponds -> lakes (4) tailing ponds -> disposal sites (7) intermittent pools -> lakes (4) pools (water bodies) -> lakes (4) population and community ecology (2) population energetics -> population and community ecology (2) porosity (2) soil porosity -> porosity (2) portages -> transportation features (1) ports -> harbors (1) global positioning measurement -> GPS measurement (1) border posts -> buildings (9) customs posts -> buildings (9) patrol posts -> buildings (9) police posts -> buildings (9) trading posts -> buildings (9) potassium (169) potassium-argon analysis (12) acid neutralizing potential (2) neutralization potential -> acid neutralizing potential (2) potentiometric surface -> groundwater level (2) potholes -> physiographic features (401) animal pounds -> buildings (9) power generation sites (1) solar power generation sites -> power generation sites (1) windmill power generation sites -> power generation sites (1) powerhouses -> power generation sites (1) nuclear power plants -> power generation sites (1) power plants -> power generation sites (1) powerpoint -> presentation materials (3) hydroelectric power stations -> power generation sites (1) power stations -> power generation sites (1) praseodymium (113) acid precipitation -> acid deposition (1) precipitation (atmospheric) (1) volcanic eruption prediction (1) prefectures -> administrative areas (1) hazard preparedness (1) landslide preparedness (1) -> hazard preparedness -> landslides presentation materials (3) ecosystem preservation -> ecosystem management (1) preserves -> reserves (1) primitive areas -> reserves (1) electron probe microanalysis -> particle-beam spectroscopy (47) inverse problem -> inverse modeling (1) proceedings -> reports (15) atmospheric and climatic processes (3) bioenergetic processes -> biological and physical processes (107) biogeochemical processes -> biogeochemical cycling (3) biological and physical processes (107) ecological processes (3) environmental processes -> ecological processes (3) fluvial processes -> streamflow (2) geochemical processes (33) geologic processes (66) hydrologic processes (17) hydrothermal processes (4) hyporheic zone processes -> groundwater and surface-water interaction (7) legal processes -> laws and regulations (1) neotectonic processes (1) slope processes (1) tectonic processes (18) processing plants -> industrial sites (9) production buildings -> industrial sites (9) product types (1064) seismic profiles -> seismic methods (7) computer program -> scientific software (22) contract research programs -> external research support (1) interagency programs (4) international programs (2) science programs (11) promethium (13) earth material properties (122) water properties (40) geotechnical properties maps (1) -> engineering geology -> maps and atlases prospecting -> natural resource exploration (112) protected areas -> reserves (1) protectorates -> administrative areas (1) provincial parks -> parks (2) lists of publications -> catalogs and indexes (4) serial publications -> reports (15) public buildings -> buildings (9) public use areas -> parks (2) published series -> reports (15) pyroclastic -> volcanic rocks (28) pyroclastic flows -> volcanic activity (4)