# Changelog
## [6.1.0] - 2023-11-28
### Added
- Addition of 1180 turbine records. Additions include:
	-  1180 new turbines.

### Removed
- Removed 559 turbine records. Removals include: 
	- 145 duplicate turbines removed.
	- 361 decommissioned turbines.
	- 53 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").

### Changed
- A total of 14,227 attribute changes were made. These include:
	- 784 "faa_asn" updates.
	- 1,515 "p_name" updates.
	- 419 "p_year" updates.
	- 886 "p_tnum" updates.
	- 73 "p_cap" updates.
	- 107 "t_cap" updates.
	- 46 "t_hh" updates.
	- 49 "t_rd" updates.
	- 49 "t_rsa" updates.
	- 2 "t_manu" updates.
	- 1,991 "t_model" updates.
	- 2,317 "t_ttlh" update.
	- 3,574 "t_conf_atr" updates.
	- 934 "t_conf_loc" updates.
	- 1,377 "t_img_date" updates.
	- 5 "t_img_srce" updates.
	- 57 "xlong" updates.
	- 42 "ylat" updates.

## [6.0.0] - 2023-5-31
### Added
- Addition of 514 turbine records. Additions include:
	-  514 new turbines.

### Removed
- Removed 452 turbine records. Removals include: 
	- 55 duplicate turbines removed.
	- 199 decommissioned turbines.
	- 198 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").

### Changed
- A total of 7,722 attribute changes were made. These include:
	- 275 "faa_asn" updates.
	- 306 "p_name" updates.
	- 272 "p_year" updates.
	- 1,109 "p_tnum" updates.
	- 364 "p_cap" updates.
	- 322 "t_cap" updates.
	- 379 "t_hh" updates.
	- 16 "t_rd" updates.
	- 16 "t_rsa" updates.
	- 1 "t_manu" update.
	- 322 "t_model" updates.
	- 382 "t_ttlh" update.
	- 2,319 "t_conf_atr" updates.
	- 628 "t_conf_loc" updates.
	- 926 "t_img_date" updates.
	- 37 "t_img_srce" updates.
	- 27 "xlong" updates.
	- 21 "ylat" updates.

## [5.3.0] - 2023-1-13
### Added
- Addition of 540 turbine records. Additions include:
	-  530 new turbines.
	- 10 existing turbines issued new case_id. Replaces old records.

### Removed
- Removed 228 turbine records. Removals include: 
	- 10 duplicate turbines removed.
	- 120 decommissioned turbine.
	- 86 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").
	- 2 residential scale turbines (<= 50 kW) identified and removed.
	- 10 turbines issued new case_id. Replaced by new records.

### Changed
- A total of 4,645 attribute changes were made. These include:
	- 197 "faa_asn" updates.
	- 1,165 "p_name" updates.
	- 38 "p_year" updates.
	- 1,493 "p_tnum" updates.
	- 386 "t_rsa" updates.
	- 1 "t_ttlh" update.
	- 1,826 "t_conf_atr" updates.
	- 954 "t_conf_loc" updates.
	- 1,474 "t_img_date" updates.
	- 70 "t_img_srce" updates.
	- 36 "xlong" updates.
	- 28 "ylat" updates.

## [5.2.0] - 2022-10-12
### Added
- Addition of 345 turbine records. Additions include:
	-  345 new turbines.

### Removed
- Removed 118 turbine records. Removals include: 
	- 24 duplicate turbines removed.
	- 66 decommissioned turbine.
	- 28 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").

### Changed
- A total of 6,114 attribute changes were made. These include:
	- 198 "faa_asn" updates.
	- 1,113 "p_name" updates.
	- 632 "p_year" updates.
	- 1,561 "p_tnum" updates.
	- 3 "p_cap" updates.
	- 1 "t_cap" update.
	- 197 "t_rsa" updates.
	- 1 "t_ttlh" update.
	- 68 "t_conf_atr" updates.
	- 717 "t_conf_loc" updates.
	- 1,130 "t_img_date" updates.
	- 434 "t_img_srce" updates.
	- 27 "xlong" updates.
	- 32 "ylat" updates.

## [5.1.0] - 2022-07-29
### Added
- Addition of 656 turbine records. Additions include:
	-  656 new turbines.

### Removed
- Removed 192 turbine records. Removals include: 
	- 31 duplicate turbines removed.
	- 156 decommissioned turbine.
	- 5 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").

### Changed
- A total of 12,584 attribute changes were made. These include:
	- 61 "faa_asn" updates.
	- 163 "p_name" updates.
	- 1,372 "p_year" updates.
	- 1,869 "p_tnum" updates.
	- 36 "t_manu" updates
	- 688 "t_model" updates.
	- 1,553 "p_cap" updates.
	- 488 "t_cap" updates.
	- 140 "t_hh" updates.
	- 200 "t_rd" updates.
	- 397 "t_rsa" updates.
	- 520 "t_ttlh" updates.
	- 2,104 "t_conf_atr" updates.
	- 1,087 "t_conf_loc" updates.
	- 1,535 "t_img_date" updates.
	- 163 "t_img_srce" updates.
	- 101 "retrofit" updates
	- 53 "xlong" updates.
	- 54 "ylat" updates.

## [5.0.0] - 2022-04-27
### Added
- Addition of 930 turbine records. Additions include:
	-  930 new turbines.

### Removed
- Removed 72 turbine records. Removals include: 
	- 64 duplicate turbines removed.
	- 1 decommissioned turbine.
	- 7 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").

### Changed
- A total of 11,081 attribute changes were made. These include:
	- 202 "faa_asn" updates.
	- 1,911 "p_name" updates.
	- 197 "p_year" updates.
	- 2,371 "p_tnum" updates.
	- 352 "t_model" updates.
	- 214 "p_cap" update.
	- 72 "t_cap" updates.
	- 16 "t_hh" updates.
	- 65 "t_rd" updates.
	- 262 "t_rsa" updates.
	- 361 "t_ttlh" updates.
	- 3,511 "t_conf_atr" updates.
	- 626 "t_conf_loc" updates.
	- 796 "t_img_date" updates.
	- 31 "t_img_srce" updates.
	- 44 "xlong" updates.
	- 50 "ylat" updates.

## [4.3.0] - 2022-01-14
### Added
- Addition of 1097 turbine records. Additions include:
	-  1092 new turbines.
	-  5 existing turbines issued new case_id. Replaces old records.

### Removed
- Removed 426 turbine records. Removals include: 
	- 41 duplicate turbines removed.
	- 365 decommissioned turbines.
	- 15 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").
	- 5 turbines issued new case_id. Replaced by new records.

### Changed
- A total of 6,667 attribute changes were made. These include:
	- 755 "faa_asn" updates.
	- 444 "p_name" updates.
	- 157 "p_year" updates.
	- 2,713 "p_tnum" updates.
	- 2 "t_manu" updates.
	- 45 "t_model" updates.
	- 1 "p_cap" update.
	- 16 "t_cap" updates.
	- 16 "t_hh" updates.
	- 15 "t_rd" updates.
	- 15 "t_rsa" updates.
	- 3 "t_ttlh" updates.
	- 62 "t_conf_atr" updates.
	- 862 "t_conf_loc" updates.
	- 1,380 "t_img_date" updates.
	- 76 "t_img_srce" updates.
	- 45 "xlong" updates.
	- 60 "ylat" updates.
	
## [4.2.0] - 2021-11-01
### Added
- Addition of 1366 turbine records. Additions include:
	-  1366 new turbines.

### Removed
- Removed 390 turbine records. Removals include: 
	- 50 duplicate turbines removed.
	- 329 decommissioned turbines.
	- 11 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").
	
### Changed
- A total of 9,887 attribute changes were made. These include:
	- 205 "faa_asn" updates.
	- 773 "p_name" updates.
	- 655 "p_year" updates.
	- 1,961 "p_tnum" updates.
	- 74 "t_manu" updates.
	- 395 "t_model" updates.
	- 234 "p_cap" updates.
	- 1 "t_cap" updates.
	- 2 "t_hh" updates.
	- 3 "t_rd" updates.
	- 3 "t_rsa" updates.
	- 740 "t_ttlh" updates.
	- 1,715 "t_conf_atr" updates.
	- 1,008 "t_conf_loc" updates.
	- 1,837 "t_img_date" updates.
	- 162 "t_img_srce" updates.
	- 58 "xlong" updates.
	- 61 "ylat" updates.
	
## [4.1.0] - 2021-07-21
### Added
- Addition of 951 turbine records. Additions include:
	-  951 new turbines.

### Removed
- Removed 577 turbine records. Removals include: 
	- 153 duplicate turbines removed.
	- 422 decommissioned turbines.
	- 2 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").
	
### Changed
- A total of 22,427 attribute changes were made. These include:
	- 8 "faa_ors" updates.
	- 283 "faa_asn" updates.
	- 31 "t_state" updates.
	- 33 "t_county" updates.
	- 33 "t_fips" updates.
	- 1,963 "p_name" updates.
	- 953 "p_year" updates.
	- 2,288 "p_tnum" updates.
	- 346 "t_manu" updates.
	- 1,573 "t_model" updates.
	- 2,012 "p_cap" updates.
	- 1,241 "t_cap" updates.
	- 140 "t_hh" updates.
	- 1,566 "t_rd" updates.
	- 1,566 "t_rsa" updates.
	- 1,575 "t_ttlh" updates.
	- 1,571 "retrofit" updates.
	- 573 "t_conf_atr" updates.
	- 825 "t_conf_loc" updates.
	- 1,297 "t_img_date" updates.
	- 2,398 "t_img_srce" updates.
	- 86 "xlong" updates.
	- 66 "ylat" updates.
	
## [4.0.0] - 2021-04-09
### Added
- Addition of 1,120 turbine records. Additions include:
	-  1,120 new turbines.

### Removed
- Removed 142 turbine records. Removals include: 
	- 69 duplicate turbines removed.
	- 64 decommissioned turbines.
	- 5 residential scale turbines (<= 50 kW) identified and removed.
	- 4 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").
	
### Changed
- A total of 18,352 attribute changes were made. These include:
	- 389 "faa_asn" updates.
	- 3,112 "p_name" updates.
	- 3 "p_year" updates.
	- 3,870 "p_tnum" updates.
	- 57 "t_model" updates.
	- 1 "p_cap" update.
	- 1 "t_cap" update.
	- 1 "t_rd" update.
	- 1 "t_rsa" update.
	- 157 "t_ttlh" update.
	- 4,599 "t_conf_atr" updates.
	- 1,175 "t_conf_loc" updates.
	- 3,104 "t_img_date" updates.
	- 1,608 "t_img_srce" updates.
	- 132 "xlong" updates.
	- 142 "ylat" updates.
	
## [3.3.0] - 2021-01-14
### Added
- Addition of 2,382 turbine records. Additions include:
	- 2,382 new turbines.
	- Addition of quasi 3D-capability to viewer	

### Removed
- Removed 116 turbine records. Removals include: 
	- 75 decommissioned turbines.
	- 4 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date")
	- 37 duplicate turbines removed.

### Changed
- A total of 18,481 attribute changes were made. These include:
	- 817 "faa_asn" updates.
	- 2 "t_county" updates.
	- 2 "t_fips" updates.
	- 927 "p_name" updates.
	- 181 "p_year" updates.
	- 2,223 "p_tnum" updates.
	- 124 "p_cap" updates.
	- 425 "t_manu" updates.
	- 1,813 "t_model" updates.
	- 1,094 "t_cap" updates.
	- 47 "t_hh" updates.
	- 1,640 "t_rd" updates.
	- 1,640 "t_rsa" updates.
	- 1,640 "t_ttlh" updates.
	- 2,156 "t_conf_atr" updates.
	- 1,226 "t_conf_loc" updates.
	- 2,005 "t_img_date" updates.
	- 399 "t_img_srce" updates.
	- 66 "xlong" updates.
	- 54 "ylat" updates.

## [3.2.0] - 2020-10-14
### Added
- Addition of 3,661 turbine records. Additions include:
	-  1,849 new turbines.
	-  1,812 existing turbines issued new case_id. Replaces old records.

### Removed
- Removed 2,666 turbine records. Removals include: 
	- 787 decommissioned turbines.
	- 1,812 turbines issued new case_id. Replaced by new records.
	- 38 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date")
	- 28 duplicate turbines removed.
	- 1 residential scale turbine (<= 50 kW) identified and removed.

### Changed
- A total of 14,709 attribute changes were made. These include:
	- 584 "faa_asn" updates.
	- 1,170 "p_name" updates.
	- 250 "p_year" updates.
	- 3,248 "p_tnum" updates.
	- 1,993 "p_cap" updates.
	- 474 "t_manu" updates.
	- 809 "t_model" updates.
	- 202 "t_cap" updates
	- 12 "t_hh" updates
	- 40 "t_rd" updates
	- 40 "t_rsa" updates
	- 901 "t_ttlh" updates.
	- 1,618 "t_conf_atr" updates.
	- 1,401 "t_conf_loc" updates.
	- 1,840 "t_img_date" updates.
	- 32 "t_img_srce" updates.
	- 44 "xlong" updates.
	- 51 "ylat" updates.
	
## [3.1.0] - 2020-07-17
### Added
- Addition of 869 turbine records. Additions include:
	-  867 new turbines.
	-  2 existing turbines issued new case_id. Replaces old records.

### Removed
- Removed 110 turbine records. Removals include: 
	- 9 decommissioned turbines.
	- 2 turbines issued new case_id. Replaced by new records.
	- 95 duplicate turbines removed.
	- 4 residential scale turbines (<= 50 kW) identified and removed.

### Changed
- A total of 8,661 attribute changes were made. These include:
	- 155 "faa_asn" updates.
	- 1,556 "p_name" updates.
	- 831 "p_year" updates.
	- 2,666 "p_tnum" updates.
	- 149 "p_cap" updates.
	- 635 "t_manu" updates.
	- 2,086 "t_model" updates.
	- 1,214 "t_cap" updates
	- 2 "t_hh" updates
	- 1,642 "t_rd" updates
	- 1,642 "t_rsa" updates
	- 2,364 "t_ttlh" updates.
	- 1,619 "t_conf_atr" updates.
	- 605 "t_conf_loc" updates.
	- 1,089 "t_img_date" updates.
	- 251 "t_img_srce" updates.
	- 28 "xlong" updates.
	- 25 "ylat" updates.
	
## [3.0.1] - 2020-05-14
### Added
- No additions
	
### Removed
- No removals

### Changed
- An error was discovered and corrected in the attributes of turbines that have been retrofitted (partially repowered).
- A total of 10,354 attribute changes were made across 2,378 turbines. These include:
	- 723 changes to "t_manu"
	- 2,368 changes to "t_model"
	- 260 changes to "t_cap"
	- 144 changes to "t_hh"
	- 1,997 changes to "t_rd"
	- 1,997 changes to "t_rsa"
	- 2,001 changes to "t_ttlh"
	- 864 changes to "t_conf_atr"
	
## [3.0.0] - 2020-04-17
### Added
- Addition of 1600 turbine records. Additions include:
	- 1600 new turbines.
	
### Removed
- Removed 809 turbine records. Removals include: 
	- 717 decommissioned turbines.
	- 46 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date").
	- 1 duplicate turbine removed.
	- 18 residential scale turbines (<= 50 kW) identified and removed.

### Changed
- "p_cap" and "p_tnum" are summed across the full project, rather than across the unique turbine types within each project.
- A total of 35,502 attribute changes were made. These include:
	- 524 "faa_asn" updates.
	- 1,598 "p_name" updates.
	- 35 "p_year" updates.
	- 12,764 "p_tnum" updates.
	- 10,447 "p_cap" updates.
	- 15 "t_manu" updates.
	- 18 "t_model" updates.
	- 2 "t_hh" updates.
	- 8 "t_rd" updates.
	- 8 "t_rsa" updates.
	- 9 "t_ttlh" updates.
	- 2,064 "t_conf_atr" updates.
	- 1,322 "t_conf_loc" updates.
	- 1,692 "t_img_date" updates.
	- 4,866 "t_img_srce" updates.
	- 64 "xlong" updates.
	- 48 "ylat" updates.

## [2.3.0] - 2020-01-09
### Added
- Addition of 2635 turbine records. Additions include:
	- 2635 new turbines.	
- Addition of database attributes. Additions include:	
	- "eia_id" (plant ID from EIA form 860 added to 57,085 turbines).
	
### Removed
- Removed 208 turbine records. Removals include: 
	- 63 decommissioned turbines.
	- 115 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date")
	- 28 duplicate turbines removed.
	- 2 residential scale turbines (<= 50 kW) identified and removed

### Changed
- A total of 14,593 attribute changes were made. These include:
	- 2 "faa_ors" updates.
	- 1,285 "faa_asn" updates.
	- 2,601 "p_name" updates.
	- 935 "p_year" updates.
	- 3,905 "p_tnum" updates.
	- 866 "p_cap" updates.
	- 944 "t_manu" updates.
	- 268 "t_model" updates.
	- 30 "t_hh" updates.
	- 6 "t_ttlh" updates.
	- 1,299 "t_conf_atr" updates.
	- 415 "t_conf_loc" updates.
	- 633 "t_img_date" updates.
	- 1,318 "t_img_srce" updates.
	- 51 "xlong" updates.
	- 35 "ylat" updates.

## [2.2.0] - 2019-10-04
### Added
- Addition of 839 turbine records. Additions include:
	- 839 new turbines.
	
### Removed
- Removed 147 turbine records. Removals include: 
	- 60 decommissioned turbines.
	- 69 reclassified as "not a turbine" (Either another structure mislabeled, or nothing in imagery >2 years after "built date")
	- 18 duplicate turbines removed.

### Changed
- A total of 7,706 attribute changes were made. These include:
	- 510 "faa_asn" updates.
	- 4 "t_county" updates.
	- 364 "p_name" updates.
	- 145 "p_year" updates.
	- 2,786 "p_tnum" updates.
	- 82 "p_cap" updates.
	- 886 "t_manu" updates.
	- 333 "t_model" updates.
	- 32 "t_cap" updates.
	- 12 "t_hh" updates.
	- 29 "t_rd" updates.
	- 29 "t_rsa" updates.
	- 90 "t_ttlh" updates.
	- 515 "t_conf_atr" updates.
	- 776 "t_conf_loc" updates.
	- 955 "t_img_date" updates.
	- 14 "t_img_srce" updates.
	- 74 "xlong" updates.
	- 70 "ylat" updates.
	
## [2.1.0] - 2019-07-15
### Added
- Addition of 1,561 turbine records. Additions include:
	- 655 new turbines.
	- 906 existing turbines issued new case_id. Replaces old records.
	
### Removed
- Removed 1,015 turbine records. Removals include: 
	- 25 decommissioned turbines.
	- 34 reclassified as "not a turbine".
	- 1 residential scale turbines (<= 50 kW) identified and removed
	- 906 turbines issued new case_id. Replaced by new records.
	- 49 duplicate turbines removed.

### Changed
- A total of 8,845 attribute changes were made. These include:
	- 848 "faa_asn" updates.
	- 432 "p_name" updates.
	- 412 "p_year" updates.
	- 2,197 "p_tnum" updates.
	- 76 "p_cap" updates.
	- 5 "t_manu" updates.
	- 989 "t_model" updates.
	- 71 "t_cap" updates.
	- 58 "t_hh" updates.
	- 180 "t_rd" updates.
	- 180 "t_rsa" updates.
	- 183 "t_ttlh" updates.
	- 533 "t_conf_atr" updates.
	- 561 "t_conf_loc" updates.
	- 782 "t_img_date" updates.
	- 881 "t_img_srce" updates.
	- 194 "xlong" updates.
	- 263 "ylat" updates.
	
## [2.0.0] - 2019-04-24
### Added
- Added USWTDB API resource allowing for programmatic access to the USWTDB (https://eerscmap.usgs.gov/uswtdb/api-doc/).
- Addition of 1450 turbine records. Additions include:
	- 1450 new turbines.
	
### Removed
- Removed 561 turbine records. Removals include: 
	- 517 decommissioned turbines.
	- 44 duplicate records removed.

### Changed
- A total of 19,727 attribute changes were made. These include:
	- 259 "faa_asn" updates.
	- 2 “t_state" updates.
	- 46 “t_county" updates.
	- 46 “t_fips" updates.
	- 1,423 "p_name" updates.
	- 73 "p_year" updates.
	- 1,940 "p_tnum" updates.
	- 1,156 "p_cap" updates.
	- 838 "t_manu" updates.
	- 2,564 "t_model" updates.
	- 354 "t_cap" updates.
	- 112 "t_hh" updates.
	- 1,959 "t_rd" updates.
	- 1,959 "t_rsa" updates.
	- 3,277 "t_ttlh" updates.
	- 2,550 "t_conf_atr" updates.
	- 426 "t_conf_loc" updates.
	- 575 "t_img_date" updates.
	- 2 "t_img_srce" updates.
	- 85 "xlong" updates.
	- 81 "ylat" updates.
	
## [1.3.0] - 2019-01-07 (due to the partial U.S. federal government shutdown, the USGS was unable to release this update until 2/1/2019)
### Added
- Addition of 1091 turbine records. Additions include:
	- 1025 new turbines.
	- 66 existing turbines issued new case_id. Replaces old records.

### Removed
- Removed 827 turbine records. Removals include:
	- 742 decommissioned turbines.
	- 3 reclassified as "not a turbine".
	- 1 residential scale turbines (<= 50 kW) identified and removed.
	- 66 turbines issued new case_id. Replaced by new records.
	- 15 duplicate turbines removed.

### Changed
- A total of 38,536 attribute changes were made. These include:
	- 5,622 "faa_ors" updates.
	- 5,971 "faa_asn" updates.
	- 2 "usgs_pr_id" updates.
	- 710 "p_name" updates.
	- 25 "p_year" updates.
	- 3,153 "p_tnum" updates.
	- 599 "p_cap" updates.
	- 3,202 "t_manu" updates.
	- 3,683 "t_model" updates.
	- 550 "t_cap" updates.
	- 503 "t_hh" updates.
	- 551 "t_rd" updates.
	- 551 "t_rsa" updates.
	- 194 "t_ttlh" updates.
	- 746 "t_conf_atr" updates.
	- 337 "t_conf_loc" updates.
	- 6,492 "t_img_date" updates.
	- 2,882 "t_img_srce" updates.
	- 1,379 "xlong" updates.
	- 1,384 "ylat" updates.

## [1.2.0] - 2018-10-01
### Added
- Addition of 849 turbine records. Additions include:
	- 730 new turbines.
	- 119 existing turbines issued new case_id. Replaces old records.

### Removed
- Removed 310 turbine records. Removals include:
	- 128 decommissioned turbines.
	- 13 reclassified as "not a turbine".
	- 43 residential scale turbines (<= 50 kW) identified and removed
	- 119 turbines issued new case_id. Replaced by new records.
	- 7 duplicate turbines removed.

### Changed
- A total of 22,628 attribute changes were made. These include:
	- 242 "faa_ors" updates.
	- 5,924 "faa_asn" updates.
	- 5,151 "p_name" updates.
	- 1,527 "p_year" updates.
	- 3,351 "p_tnum" updates.
	- 1,120 "p_cap" updates.
	- 260 "t_manu" updates.
	- 679 "t_model" updates.
	- 372 "t_cap" updates.
	- 382 "t_hh" updates.
	- 430 "t_rd" updates.
	- 432 "t_rsa" updates.
	- 312 "t_ttlh" updates.
	- 1,429 "t_conf_atr" updates.
	- 314 "t_conf_loc" updates.
	- 495 "t_img_date" updates.
	- 102 "t_img_srce" updates.
	- 52 "xlong" updates
	- 56 "ylat" updates.

## [1.1.0] - 2018-07-05
### Added
- Addition of 1081 turbine records. Additions include:
	-551 new turbines.
	-530 added due to major retrofits (e.g., rotor / nacelle replacement). Replaces old records.

### Removed
- Removed 1071 turbine records. Removals include:
	- 477 decommissioned turbines.
	- 20 reclassified as "not a turbine".
	- 44 duplicate turbines removed.
	- 530 retired due to major retrofits. Replaced by new records.

### Changed
- A total of 41,254 attribute changes were made. These include:
	- 25,942 "xlong" updates (moved from 5 to 6 decimal places).
	- 148 "faa_ors" updates.
	- 112 "faa_asn" updates.
	- 75 "usgs_pr_id" updates.
	- 940 "p_name" updates.
	- 1,114 "p_year" updates.
	- 3,305 "p_tnum" updates.
	- 969 "p_cap" updates.
	- 400 "t_manu" updates.
	- 1,206 "t_model" updates.
	- 404 "t_cap" updates.
	- 331 "t_hh" updates.
	- 640 "t_rd" updates.
	- 636 "t_rsa" updates.
	- 851 "t_ttlh" updates.
	- 758 "t_conf_atr" updates.
	- 1,014 "t_conf_loc" updates.
	- 1,485 "t_img_date" updates.
	- 504 "t_img_srce" updates.
	- 208 "xlong" updates (unrelated to decimal precision).
	- 212 "ylat" updates.

## [1.0.0] - 2018-04-19
- First public release of USWTDB. Changelog for 1.0.0 reflects differences between USWTDB and USGS turbine database/windFarm application (2014).

### Added
- Addition of 14,693 turbine records.
- Dedicated home, data, partner, and help landing pages.
- Additional USWTDB fields include "case_id", "faa_asn", "t_fips", "t_img_date".
- Added end-user web application capabilities including:
	- Dynamic filtering and turbine statistic computation.
	- Data-driven styling.
	- Dynamic project information table.
	- Enhanced project search (with auto-complete).
	- Temporal animation controls.
	- Enhanced navigation (pitch and bearing controls).
	- Enhanced geocoder (with auto-complete).
	- Enhanced geolocation controls.
	- Extended turbine-level pop-up information.

### Changed
- Migrated legacy windFarm web application platform (Flash to JavaScript).
- Migrated geospatial service endpoints.
- USWTDB fields changed include:
	"unique_id" > "usgs_pr_id",
	"site_name" > "p_name",
	"total_turb" > "p_tnum",
	"on_year_s" > "p_year",
	"manufac" > "t_manu",
	"model" > "t_model",
	"MW_turbine" > "t_cap",
	"total_cpcy" > "p_cap",
	"total_ht" > "t_ttlh",
	"tower_h" > "t_hh",
	"rotor_dia" > "t_rd",
	"rotor_s_a" > "t_rsa",
	"usgs_ydd" > "ylat",
	"usgs_xdd" > "xlong",
	"state" > "t_state",
	"county" > "t_county",
	"conf_attr" > "t_conf_atr",
	"conf_loc" > "t_conf_loc",
	"FAA_ORS" > "faa_ors",
	"image_name" > "t_img_srce".

### Removed
- Removed 5,992 turbine records (decommissioned or reclassified as "not a turbine").
- USWTDB fields removed include "year_range", "on_year_s", "type_tower", "decommiss", "blade_l", "WENDI_name", "EIA_name", "FAA_jdate", "FAA_AGL", "image_year", "comments", "FID".