Here are the dates that were in the newsletter: (notice that not all reopen at the same time)
Rivers of America (
Disneyland) closed through 5/6/10 for a major refurbishment. All attractions requiring the use of the river will also be closed.
Davy Crockett's Explorer Canoes (Disneyland) closed through 5/6/10 for refurbishment.
Tom Sawyer Island (Disneyland) closed through 5/6/10 for refurbishment.
Sailing Ship Columbia (Disneyland) closed through 5/6/10 for refurbishment.
Mark Twain Riverboat (Disneyland) closed through 5/14/10 for refurbishment.
Fantasmic! (Disneyland) closed
through 5/27/10 due to major refurbishment of Rivers of America.
Sorry, I posted 5/ 26, it's actually saying 5/27. Take it for what it's worth.