USGS Earth Explorer
USGS
USGS
USGS map-based tool for finding USGS assets. A bit tricky to learn, but good once you know it. Allows free downloads if you get a free login.
http://earthexplorer.usgs.gov/metadata/4660/AR1F00000080129/
1938 Boston Aerial USGS AR1F00000080129
http://earthexplorer.usgs.gov/images/header/header_graphic_usgsIdentifier_white.jpg
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1938 Cambridge Aerial [USGS AR1F00000080146]                 USGS     Go http://earthexplorer.usgs.gov/download/options/4660/AR1F00000080146/ 12-31-2016 6 Data Set Attribute    Attribute Value
Entity ID    AR1F00000080146
Agency    1
Vendor ID   
Recording Technique    1
Project    F0000
Event   
Roll    000008
Frame    146
Acquisition Date    1938/12/15
Scale    24000
Strip Number    0000
Image Type    24
Quality    8
Cloud Cover    0
Photo ID    1F00000080146
Flying Height in Feet    12000
Film Length and Width    229mm x 229mm
Focal Length    152 mm
Stereo Overlap    6
Other    NARA_HELD_ROLL
Center Latitude    42°23'32.48"N
Center Longitude    71°07'05.01"W
NW Corner Lat    42°24'56.85"N
NW Corner Long    71°09'04.31"W
NE Corner lat    42°25'00.91"N
NE Corner Long    71°05'11.19"W
SE Corner Lat    42°22'08.18"N
SE Corner Long    71°05'05.80"W
SW Corner Lat    42°22'04.12"N
SW Corner Long    71°08'58.74"W
Center Latitude dec    42.392356
Center Longitude dec    -71.118058
NW Corner Lat dec    42.415791
NW Corner Long dec    -71.151196
NE Corner Lat dec    42.41692
NE Corner Long dec    -71.086442
SE Corner Lat dec    42.368938
SE Corner Long dec    -71.084945
SW Corner Lat dec    42.367811
SW Corner Long dec    -71.149649
    42.392356 -71.118058 Tasks   Mj_maps        
1938 Belmont Aerial USGS AR1F00000080148       -- [FEB-22-16 10:26 AM (EST)  Bill Warner-Admin] --------------
Publish
  http://earthexplorer.usgs.gov/metadata/4660/AR1F00000080148/ USGS     Go http://earthexplorer.usgs.gov/download/options/4660/AR1F00000080148/ 12-31-2016 6             Tasks   Mj_maps        
1977 Barnstable Aerial USGS AR1VECR00020064       -- [APR-29-16  6:00 PM (EDT)  Bill Warner-Admin] --------------
12679
    AR1VECR00020064 USGS     Go http://earthexplorer.usgs.gov/download/options/4660/AR1VECR00020064/ 04-01-1977 5 Data Set Attribute    Attribute Value
Entity ID    AR1VECR00020064
Agency    1
Vendor ID   
Recording Technique    1
Project    VECR0
Event   
Roll    000002
Frame    64
Acquisition Date    1977/04/01
Scale    80000
Strip Number    0000
Image Type    24
Quality    8
Cloud Cover    0
Photo ID    1VECR00020064
Flying Height in Feet    40000
Film Length and Width    229mm x 229mm
Focal Length    152.16 mm
Stereo Overlap    6
Other   
Center Latitude    41°44'12.84"N
Center Longitude    70°17'41.60"W
NW Corner Lat    41°48'54.58"N
NW Corner Long    70°24'51.19"W
NE Corner lat    41°49'31.98"N
NE Corner Long    70°11'22.06"W
SE Corner Lat    41°39'26.32"N
SE Corner Long    70°10'24.71"W
SW Corner Lat    41°38'53.52"N
SW Corner Long    70°24'01.37"W
Center Latitude dec    41.7369
Center Longitude dec    -70.29489
NW Corner Lat dec    41.81516
NW Corner Long dec    -70.41422
NE Corner Lat dec    41.82555
NE Corner Long dec    -70.18946
SE Corner Lat dec    41.65731
SE Corner Long dec    -70.17353
SW Corner Lat dec    41.6482
SW Corner Long dec    -70.40038
          Tasks   Mj_maps        
TOT                                     17                          
Created on Feb. 24, 2016 at  3:58 PM (EST). Last updated by Warner-Admin, Bill on April 30, 2016 at  5:13 PM (EDT). Owned by Warner-Admin, Bill.
Bill Warner-Admin
Bill Warner-Admin
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When you bring additional fields into a conversion, Quickbase often finds inconsistencies. For example, say you're converting your Companies column into its own table. One company, Acme Corporation, has offices in New York, Dallas and Portland. So, when you add the City column to the conversion, Quickbase finds three different locations for Acme. A single value in the column you're converting can only match one value in any additional field. Quickbase needs you to clean up the extra cities before it can create your new table. To do so, you have one of two choices:

  • If you want to create three separate Acme records (Acme-New York, Acme-Dallas and Acme-Portland) click the Conform link at the top of the column.
  • If the dissimilar entries are mistakes (say Acme only has one office in New York and the other locations are data-entry errors) go back into your table and correct the inconsistencies—in this case, changing all locations to New York. Then try the conversion again.

Read more about converting a column into a table.