The coal seams in the Renton Formation at Squak Mountain were identified as a possible source of commercially viable coal as early as 1859, but large-scale operations didn’t begin until rail transportation reached the area in 1887.
Why did Windows 7, for a few months, log on slower if you have a solid color background? (devblogs.microsoft.com) Imagine my surprise when someone pointed me to a support article titled “The Welcome screen may be displayed for 30 seconds during the logon process after you set a solid color as the desktop background in Windows 7 or in Windows Server 2008 R2.” Why is logon slower with a solid background?