Talk:237.4 Plan-Profile Sheets
The example of spiral data is not correct. There may have been a math error or typo when someone converted the metric sheet to english. The Ts should be 784.7', but it shows 284.7'.
The example of spiral data is not correct. There may have been a math error or typo when someone converted the metric sheet to english. The Ts should be 784.7', but it shows 284.7'.