Questions tagged [united-states]

Use this tag for Questions which are specific to the country of the United States of America (USA), Do not use for United States Virgin Islands (VIR)

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23 views

Replicating standard D3.js Conical US Albers projection in QGIS?

Oftentimes, when I see maps of the US rendered online, they use a custom version of the Albers projection, like so: Alaska and Hawaii are off to the side, nicely arranged. I'd like to replicate this ...
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1answer
32 views

Projecting as USA_Contiguous_Albers_Equal_Area_Conic_USGS in QGIS?

Is it possible to project EPSG: 6350 (NAD83 (2011)) as WKID: 102039 (USA_Contiguous_Albers_Equal_Area_Conic_USGS) in QGIS? There is no EPSG code and I'm unsure how to create a custom CRS.
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26 views

Getting updated list of US Zip Code with latitude and longitude?

I have the old list of US Zip Codes which is missing some of the zip codes. How can I get the Updated list of Zip Codes in CSV format?
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29 views

Obtaining geographic data for California?

Where can I download census tracts and infrastructure data of California for 1997?
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1answer
51 views

Seeking API/software tool that will return US state senate and state house district number for given latitude/longitude?

I have a bunch of addresses that I need to find the corresponding State Senate and State House district for their latitude and longitude. It is possible to use shapefiles in QGIS to get this ...
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1answer
34 views

Seeking Boston shapefile 1630?

I found this map on Reddit and was curious if anyone knows how it was made. https://www.reddit.com/r/boston/comments/2xu9ix/modern_map_of_boston_compared_to_original_1630/ I think I could make it ...
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1answer
45 views

Downloading digital elevation model of United States?

I would like to download a digital elevation model of the United States, where can I do this? It doesn't need to be super detailed. But it would be nice, if was clipped at the country borders – ...
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15 views

Regarding Sec Town Range? [duplicate]

This is regarding Sec Town Range. I have received this in parcel shapefile. Is there any way to use this to index the data?
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87 views

Solar Insolation Product with highest spatial resolution

My objective is to compare gis derived Solar Insolation against remotely sensed one. However modis has far coarser resolution then required. Is there any other product released? The site is in ...
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1answer
52 views

Adjusting Alaska and Hawai in d3

I am quite new to d3 and I am trying to make a choropleth map of the US. But my point is how to adjust Alaska and Hawaii in the final map. In the past I used to do this in Illustrator, but I am not ...
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1answer
36 views

Seeking population data for Detroit?

I need population and age breakdown data for Detroit. I have found census tract shapefiles but none with the attribute data that I need. Any idea where I might find such data?
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2answers
78 views

Seeking Farm Resource Regions shapefiles?

Could someone direct me to the potential sources to find the Shapefiles of farm resource regions? The map exactly looks like the one here https://www.usda.gov/media/blog/2014/04/22/celebrating-our-...
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1answer
36 views

Watershed layers that drain to ocean?

I have been searching for a watershed layer for California or for the entire US that encompasses all upstream area from ocean outlets (e.g. the entire catchment draining into each ocean output). I ...
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1answer
33 views

Seeking New York Neighborhoods Boundaries?

I need a source of New York neighborhoods boundaries coordinates, I need to draw polygons around them just like this page is doing to Wingate, Brooklyn. https://www.exrny.com/listings/121719/2-bed-in-...
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1answer
49 views

Comparing Tract-level data to State-level?

I'm using firearm trace data (available at the state-level) and attempting to compare it to socially disadvantaged areas (census tracts) by the way of regression analysis. Katz and Schnebly (2011) ...
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15 views

Translating Location Format from Wisconsin (USA)?

I have a location format in the form of '28N-24E-36' within a certain county (not sure that's important). I found a map that lists Section-Township-Range for the county of interest as six integers ...
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1answer
32 views

Seeking contour (topo) lines for United States?

I can find five foot contours for most areas, where can I find 1 foot or 2 foot contour lines? Prefer ArcGIS or AutoCAD but will take anything I can get.
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1answer
36 views

Using legal descriptions of lands and their subsections to draw polygon?

I have Legal descriptions of land (Section, Township, Range) and their subsections (N1/2, S1/2, E1/2, W1/2, NW1/4, SW1/4, N1/2NW1/4, etc.) I want to have a polygon encompass the subsections of the ...
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1answer
48 views

Seeking USA congressional district to county relationship files?

This must be a common enough problem that other users have come across it. I've finagled my way around inconsistencies and dropped observations, but now I'm reaching out to see if anyone knows of a '...
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237 views

Source for US urban-suburban-rural classifications by census tract

I would like to assign every U.S. census tract its own unique classification on the urban-rural spectrum. USDA's Rural-Urban Area Commuting Codes (RUCA) is a good start, but it's focus is rural - it ...
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3answers
390 views

Which coordinate system is the best for a distances from whole USA?

I have about 100 cities all over the USA and want to calculate some distances. According to that I want use one coordinate projection and need to know which one is the best so I can get the most ...
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1answer
94 views

Choosing projection for Continental United States?

I'm working on some code that maps data across the continental US. I need to project things with a unit length of feet, ex: EPSG:26916. Is there a projection like 26916 that works for all of the US? ...
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2answers
209 views

Seeking Chesapeake Bay Watershed Boundary Shapefile?

Does anyone have the shapefile that depicts the boundary of the Chesapeake Bay Watershed? I have looked through countless GDB's from government agencies without any success.
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1answer
208 views

Which state of the USA doesn't constitute the Continental United States? [closed]

In a Wikipedia article, Continental United States, I could not get which state is the exception: "The Continental United States is the area of the United States of America that is located in the ...
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2answers
141 views

Seeking US Highway exits shapefile? [closed]

Does anyone know where to download a shapefile containing the locations of US interstate and highway exits?
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1answer
37 views

I need to figure where is this location in San fransisco [closed]

Can I get the Lattitude Longitute of the picture in the map?
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1answer
22 views

Renter Area Median Income?

Is there an American Community Survey Data table that has Renter Area Median Income. There are tables on Household Median Income and Median Income as a Percent of Rent (B2507). I am trying to find ...
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1answer
78 views

Where can I find the official data of all cities in the United States?

I would like to see a list of all U.S. cities and have them categorized by states. Is there any authority web link I can follow? I searched on Google but the list is limited. I want to have a full ...
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2answers
26 views

What are TRW or TRE formatted locations?

I have data from a U.S. state and for each item, there is a Location ID in the format T##R##E-## Sometimes the E is a W. What is this format?
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1answer
80 views

What coordinate system/projection are these Fresno, CA data points? [duplicate]

I have some shapefiles which include various points and a corresponding street address, whose lat/lon I've manually found in Google Maps. There is no .prj file. Google Maps Lat,Lon, unknown ...
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1answer
165 views

Seeking crosswalk of census tract to town instead of CDP?

I'm trying to match towns from a dataset to Census tracts in the year 2000, with FIPS code as a place identifier. I'm aware of http://mcdc2.missouri.edu/websas/geocorr2k.html#GFOPTS, the GeoCorr ...
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1answer
3k views

Are there duplicate Zip codes in the US?

I am testing a solution for a tax calculation system, and some states have zip code ranges with specific taxes, so I need to know if there are zip codes that correspond to different locations. One ...
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1answer
53 views

Displaying USNG Coordinates in ArcMap?

I need to display points in ArcMap using a spreadsheet with United States National Grid (USNG) Coordinates. I have previously done it with Lat/Longs where I convert the spreadsheet to a table, right-...
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1answer
136 views

What projection should be used along Gulf Coast?

What projection should I use along the Gulf coast - spanning the west coast of Texas to the Florida panhandle. I need to perform spatial analysis for a data-set along the coast. I see a similar ...
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1answer
412 views

Find Mapping of Place Codes to County Codes

I have two datasets with columns described below: A list of all "place" names derived from here (US Census): And this one, a list of county FIPS codes, also derived from the US Census (here) I ...
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29 views

Where Can I find US Roads? “OverWeight Trucking Business” [closed]

I tried OSM, Google Maps, TIGER Database... But there's nothing like how the permits of the OverWeight Trucks roads are issued. Any idea about this?
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1answer
166 views

Seeking shapefile of all Hawaiian volcanoes?

I have downloaded a shapefile of volcanoes all over the world, but when zoomed in to Hawaii, not all of the volcanoes are displayed. I have been searching but I can't seem to find a shapefile of all ...
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0answers
42 views

Choosing projection for distance calculations in Alaska?

I am working within the entire state of Alaska and slightly into western Canada, and I need a projection which will allow me to accurately calculate distances between points within the state. ...
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1answer
105 views

Looking for an Elko County Nevada Land Ownership Shapefile

I am looking for a Nevada Land Ownership shapefile. County and state GIS don't seem to have anything beyond pdf. Are there any public or commercial avenues to acquire land ownership in Nevada? I'...
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2answers
3k views

Why are Galileo satellites inaccessible in USA?

I see that some (or all?) Android devices that support Galileo global positioning system are deliberately programmed to self-disable their Galileo support when used in USA or US territories. This ...
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3answers
320 views

Using one CRS for an entire US state?

I am working on a GIS project for Virginia and the data spans the entire state. There are two CRS available VA North (FIPS 4501) and VA South (FIPS 4502). Is it possible to use just one of those CRS ...
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2answers
93 views

Trying To Identify The System That Coordinates Belong To

I have architectural drawings of a bus terminal in Rochester, NY done in 1974 that lists the coordinates of the corners of each building. But I don't recognize the system of these coordinates. For ...
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2answers
49 views

snow data for US

I'm an amateur to weather. I'm trying to find a snow data set for my weather impact sales project. I need daily snow depth and snow total for different region or states. I found this : http://nsidc....
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19 views

Is it possible to get specific Asian population totals from the Census at the Block or Block Group level?

I know you can get it at the Tract level but I can't for the life of me find it at at a lower level. I can find totals for just "Asian" at these levels but I want it to be more specific than that (e.g....
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96 views

Obtaining population estimates by ZCTA from American Fact Finder

I would like to obtain the most recent population estimates (and age and gender information if possible) at the ZIP Code Tabulation Area (ZCTA) level. I think this data exists on the American Fact ...
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1answer
546 views

Using Baltimore City Survey Control System?

A client has provided some surveyed points referenced to the "BALTIMORE CITY SURVEY CONTROL SYSTEM", they're all projected and given in easting/northing numbers. I need to reconcile them with some GPS ...
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1answer
182 views

National Land Cover Dataset (USA) Data Extraction

I have downloaded the NLCD 2011. It has different formats of files (i.e. .rrd, .ige). I tried to open the (.rrd) file using ArcGIS 10.5.1 but it couldn't open it. Can you suggest me how can I view ...
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1answer
105 views

Looking for the census blocks that make up the most recent U.S. Congressional Districts

I am hoping someone can help me solve this or point me in a direction. I need to know what census blocks make up the most recent Congressional Districts (115th). I have found a file that the US Census ...
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0answers
113 views

Seeking tool to geocode USA addresses?

I have a 6000 USA addresses in form: Address, City, State and ZIP . I want to geocode these addresses. I have tried to use QGIS MMQGIS plugin with geocode tool using Google services, but I have got ...
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1answer
44 views

What does “Place of Work only” mean in terms of US census ACS geographical restrictions on a dataset?

I'm trying to get data on commute methods for an area using American Community Survey 2015 table B08505A, but as you can see in this table describing geographic restrictions for ACS data: https://www2....