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Maiasaura
Click here for more Maiasaura Pictures
Maiasaura was a plant-eating dinosaur that lived in
North America during the late Cretaceous period,
about 80 to
65 million years ago.
It was probably one of the dinosaurs that died out in the Cretaceous-Tertiary
extinction,
65 million years ago.
Maiasaura adults were about 30 feet (9.1 meters) long,
and weighed 3 to 4 tons.
The creature could walk on two or four legs, and had
no obvious defenses against predators except for its
heavy muscular tail, and the fact that it lived in
large herds (some herds many have consisted of as many
as 10,000 individuals).
When Maiasaura was first discovered in
western
Montana
in 1978
by "Jack" Horner
and Robert Makela,
a complete nesting site was
found, where the dinosaurs laid their eggs, and nutured their young.
The nests were mounds of mud, with a depression in the center of each
mound. The eggs had been laid with great care, arranged in circles and layers
within the depression, each nest containing 30 to 40 eggs, each about the size
of an ostrich egg. Scientists believe that
Maiasaura would probably have covered each layer of eggs with sand or earth,
to protect them from predators, and
to keep the eggs warm. Although the parents are not believed to have sat
on the nests, it is highly likely that heat generated by
rotting vegetation in the nest, contributed to warming the eggs.
The name Maiasaura means "Good Mother Lizard", and was chosen in honor of the fact
that it was the first dinosaur species discovered with clear and convincing
evidence that it cared for its young.
This includes the fact that
fossils
of baby Maiasaura show that the hatchlings' legs were not fully
developed, and were incapable of walking, yet also show partially
worn teeth, indicating that the adults brought food to the nest.
Maiasaura has been designated the official state
fossil
of
Montana,
since
1985.
Maiasaura was the first dinosaur in space. A Maiasaura egg-shell, and a piece
of bone from a baby Maiasaura, were taken into space by NASA in
1985.
Maiasaura was a herbivore (plant-eater) that lived from 80 to 65 million years ago
Related Information & Resources
See Also
Maiasaura Facts
Here is a summary of some of the key facts about Maiasaura:
- Maiasaura was a genus of dinosaur.
- "Maiasaura" means "good mother lizard". This name was chosen by "Jack" Horner and Robert Makela in 1978, and refers to the fact this was the first dinosaur for which evidence of naturing behavior was found.
- Maiasaura was a member of the Ornithischia ("bird-hipped") order of dinosaurs. What this means, is that although Maiasaura was not closely related to birds, it did have similarly shaped pelvic bones.
- Maiasaura was a Hadrosaur (usually known as "duck-billed dinosaur") - a member of a group of related herbivorous (plant-eating) dinosaurs that were very successful in the Cretaceous period.
- Maiasaura lived between about 80 million years ago and 65 million years ago, during the late Cretaceous period.
- Maiasaura was one of the dinosaurs which died out during the Cretaceous-Tertiary mass extinction at the end of the Mesozoic Era.
- Maiasaura lived in North America.
- Maiasaura was a herbivore (plant-eater).
- Maiasaura was about 30 feet (9.1 meters) long.
- Maiasaura weighed about 3 to 4 tons.
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Maiasaura Books
Here are some books from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
By Janet Riehecky
Brand: Childs World
Library Binding (32 pages)
 | List Price: $21.36*
Lowest Used Price: $6.30*
In Stock*
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Click Here | Description:
Maiasaura : Dinosaurs Series- Manufacturer: The Childs World Inc
- Brand: Brand: Childs World
- ISBN: 0895655438
- EAN: 9780895655431
Details:- Product Category: Library Binding
- Number of Pages: 32
- Author: Janet Riehecky
Physical Description:- Size: 10.5 inches by 8.5 inches by 0.5 inches
- Weight: 0.6 Pounds
Features:- Used Book in Good Condition
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By Dougal Dixon
Brand: Picture Window Books
Released: September 1st, 2006
Library Binding (24 pages)
 | List Price: $26.65*
Lowest New Price: $17.82*
In Stock*
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Click Here | Description:
Maiasaura and Other Dinosaurs of the Midwest (Dinosaur Find)- Manufacturer: Picture Window Books
- Brand: Brand: Picture Window Books
- ISBN: 1404827498
- EAN: 9781404827493
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Dougal Dixon
- Publication Date: September 1st, 2006
- Release Date: September 1st, 2006
Physical Description:- Size: 10.5 inches by 10.75 inches by 0.25 inches
- Weight: 0.85 Pounds
Features:- Used Book in Good Condition
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By Elizabeth J. Sandell & Harlan S. Hansen
Bancroft Sage Pub
Released: January 1st, 1989
Hardcover (31 pages)
 | Lowest Used Price: $33.32*
In Stock*
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Click Here | Description:
Maiasaura: The Good Mother Dinosaur (Dinosaur Discovery Era)- Manufacturer: Bancroft Sage Pub
- ISBN: 094428017X
- EAN: 9780944280171
Details:- Hardcover
- Number of Pages: 31
- Authors: Elizabeth J. Sandell, Marjorie L. Oelerich, Harlan S. Hansen, Vista III Design
- Publication Date: January 1st, 1989
- Release Date: January 1st, 1989
Physical Description:- Size: 12.25 inches by 9.25 inches by 0.25 inches
- Weight: 1.05 Pounds
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By Duncan Searl
Bearport Publishing
Released: August 1st, 2006
Library Binding (32 pages)
 | List Price: $29.95*
Lowest Used Price: $9.94*
In Stock*
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The Maiasaura Nests: Jack Horner's Dinosaur Eggs (Fossil Hunters)- Manufacturer: Bearport Books
- Brand: Bearport Publishing
- ISBN: 1597162574
- EAN: 9781597162579
Details:- Product Category: Library Binding
- Format: Illustrated
- Edition: Illustrated
- Number of Pages: 32
- Author: Duncan Searl
- Publication Date: August 1st, 2006
- Release Date: August 1st, 2006
Physical Description:- Size: 10.25 inches by 8.25 inches by 0.5 inches
- Weight: 0.7 Pounds
Features:- Used Book in Good Condition
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By Virginia Schomp
Cavendish Square Publishing
Released: January 30th, 2005
Library Binding (31 pages)
 | List Price: $32.64*
Lowest New Price: $19.42*
In Stock*
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Maiasaura: And Other Duck-Billed Plant-Eaters (Prehistoric World)- Manufacturer: Cavendish Square Publishing
- Brand: Cavendish Square Publishing
- ISBN: 0761415459
- EAN: 9780761415459
Details:- Product Category: Library Binding
- Edition: Illustrated
- Number of Pages: 31
- Author: Virginia Schomp
- Publication Date: January 30th, 2005
- Release Date: January 30th, 2005
Physical Description:- Size: 10.24 inches by 10.14 inches by 0.43 inches
- Weight: 0.94 Pounds
Features:- Used Book in Good Condition
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By Daniel Cohen
Brand: Bridgestone Books
Library Binding (24 pages)
 | List Price: $23.32*
Lowest Used Price: $15.81*
In stock Usually ships within 3 to 4 days.*
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Click Here | Description:
Maiasaura (Discovering Dinosaurs)- Manufacturer: Bridgestone Books
- Brand: Brand: Bridgestone Books
- ISBN: 0736825223
- EAN: 9780736825221
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Daniel Cohen
Physical Description:- Size: 8.0 inches by 8.0 inches by 0.25 inches
- Weight: 0.45 Pounds
Features:- Used Book in Good Condition
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By Sarah Eason
Bear Claw
Released: January 1st, 2022
Library Binding (24 pages)
 | Lowest New Price: $28.50*
Available to ship in 1-2 days*
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A Nest of Bones: Maiasaura Discovery (Fossils Uncovered!)- Manufacturer: Bear Claw
- ISBN: 1636913350
- EAN: 9781636913353
Details:- Product Category: Library Binding
- Number of Pages: 24
- Author: Sarah Eason
- Publication Date: January 1st, 2022
- Release Date: January 1st, 2022
Physical Description:- Size: 9.0 inches by 6.5 inches by 0.5 inches
- Weight: 0.35 Pounds
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Maiasaura Toys
Here are some toys/games from Amazon.com:
Disclosure: Products details and descriptions provided by Amazon.com. Our company may receive a payment if you purchase products from them after following a link from this website.
FLORMOON
 | Lowest New Price: $18.34*
In Stock*
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FLORMOON Dinosaur Toy - Realistic Maiasaura Animals Figure - Early Educational Toys Science Project Christmas Birthday for Boys and Girls- Manufacturer: FLORMOON
- Brand: FLORMOON
- Model: 530
- UPC: 763944126792
- EAN: 0763944126792
- PartNumber: 530
Features:- Safety Material - Animal Figurines made of durable Eco-friendly plastic material, BPA Free, Phthalates Free and Non-Toxic. Conforms to Releated Toy Safety Standards. Safety always comes first.
- Realistic Animal Figures - Our Animal figurines was hand painted with high realistically detailed appearance, cute face and childish eyes. Their uniquely molded textures and richly painted details make the animals vivid.
- Imaginative Play - The Realistic animals Figure palyset will spark hours of imaginative play. Make away your kids from electronics and let your child's imagination run wild as they create imaginary interactions with African wild animals figurines toys.
- Great Fift for Children - The animal figurines toys are great for stocking stuffers, Christmas party favors, holidays, birthday party games, educational purposes, learning Playset toys, party decoration, party favors or rewards. Ideal party or birthday gifts supplies set for a jungle animals world themed.
- Long-term Warranty - We have a no hassle 108% guarantee refund policy. If you get the play animal figures set and do not love them, simply return for a full refund. Just Add to your cart now!
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FLORMOON
 | Lowest New Price: $11.73*
In Stock*
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Click Here | Description:
FLORMOON Maiasaura Child Figure Realistic Animal Figurines Early Educational Dinosuar Toy Science Project Christmas Birthday Cake Topper for Kids Toddler- Manufacturer: FLORMOON
- Brand: FLORMOON
- Model: C1008
- UPC: 758048029766
- EAN: 0758048029766
- PartNumber: C1008
Physical Description:Features:- Safety Material - Animal Figurines made of durable Eco-friendly plastic material, BPA Free, Phthalates Free and Non-Toxic. Conforms to Releated Toy Safety Standards. Safety always comes first.
- Realistic Animal Figures - Our Animal figurines was hand painted with high realistically detailed appearance, cute face and childish eyes. Their uniquely molded textures and richly painted details make the animals vivid.
- Imaginative Play - The Realistic animals Figure palyset will spark hours of imaginative play. Make away your kids from electronics and let your child's imagination run wild as they create imaginary interactions with African wild animals figurines toys.
- Great for Kids 3+ Year Old - The animal figurines toys are great for stocking stuffers, Christmas party favors, holidays, birthday party games, educational purposes, learning Playset toys, party decoration, party favors or rewards. Ideal party or birthday gifts supplies set for a jungle animals world themed.
- Long-term Warranty - We have a no hassle 100% guarantee refund policy. If you get the play animal figures set and do not love them, simply return for a full refund. Just Add to your cart now!
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Smashers
Dino Truck Toy
 | List Price: $24.99*
Lowest New Price: $22.24*
In Stock*
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Smashers Monster Truck Surprise (Dino Truck) by ZURU Boys with 25 Surprises Collectible Monster Truck Surprise Smash Slime Sand Compounds Discovery- Manufacturer: ZURU
- Brand: Smashers
- Model: 74103A
- UPC: 193052054791
- EAN: 0193052054791
- PartNumber: 74103A
Details:Physical Description:- Size: 10.47 inches by 11.77 inches by 7.45 inches
- Color: Dino Truck
Features:- Over 25 surprises: This Smashers wheel is action packed with Monster Truck surprises. Discover collectible characters in the mini smash wheels, stickers, a trophy, an electron flame with real sounds and more!
- 3 Monster Trucks to collect: Each Wheel comes with one truck inside. Will you unbox Skeleton Screecher, Dino Drifter or Shark Speedster?
- Obstacles and accessories: Smash your way through the wall to throw your driver off the truck! Weave your way through traffic cone obstacles or smash straight through them!
- Collectible characters: Smash the mini wheels to discover surprise mini characters! Collect them all!
- Crazy compounds: Each Monster Truck piece is stuck in a smashers compound. Pull pieces from gooey slime, squishy sand and wild quicksand!
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Sazao
 | Lowest New Price: $7.82*
In Stock*
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Sazao Dinosaur Figurines, Dinosaur Model Toy Lifelike for Theme Party for Family Gathering- Manufacturer: Sazao
- Brand: Sazao
- Model: SazaoT3g0hjs
- EAN: 7319479690937
- PartNumber: SazaoT3g0hjs
Features:- PVC Material: Dinosaur figurines is made of high quality nontoxic PVC material, which has an amazing touch. This material is not easy to break and stretch.
- PVC Material: Dinosaur figurines is made of high quality nontoxic PVC material, which has an amazing touch. This material is not easy to break and stretch.
- Wide Range of Applications: Ideal for historical exhibitions, science projects, party supplies, home decoration and photography props. Perfect gift for children.
- Multiple Applicable Scenarios: Dinosaur model is small and light weight, easy to store and carry, suitable for dinosaur theme parties, Christmas party, friends gathering.
- Exercise Thinking Ability: Dinosaur model toy can stimulate children's curiosity about nature and exercise their logical thinking ability.
- Easy to Clean: Dinosaur model toy is easy to clean. When it is dirty, you can wash the toy with soap and water without taking too much time.
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JOYIN
Multi_color Toy
 | Lowest New Price: $24.99*
In Stock*
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Click Here | Description:
JOYIN Large Dinosaur Figures Playset 7 Inch, Realistic Jurassic Toy with Educational Book for Kid, Toddler, Easter Valentines Day Gift for Boy and Girl, Party Favor, 12pcs- Manufacturer: Joyin Inc
- Brand: JOYIN
- UPC: 812355039068
- EAN: 0812355039068
- PartNumber: 10946
Details:Physical Description:- Size: 7.0 Inches by 9.84 Inches by 10.0 inches
- Weight: 1.96652337704 Pounds
- Color: Multi_color
Features:- SUPER VALUE PACK. Our Dinosaur 12-Piece Playset Pack includes 12 realistic, intricately designed, lifelike dinosaur action figures and a booklet!
- SUPER EDUCATIONAL FUNCTIONS. Each dinosaur in the dinosaur goodie box comes to life with pictures and facts found inside the fully illustrated dinosaur booklet. Children can make stories with the dinosaur and learn more STEM knowledge and encourage vocabulary development by learning the names and facts with the help of the instructional book.VALUE PACK. Our Dinosaur 12-Piece Playset Pack includes 12 realistic, intricately designed, lifelike dinosaur action figures and a booklet!
- PERFECT FOR GROWING MINDS! Our jumbo prehistoric dinosaur kit is perfect as stocking stuffers, party favors, birthday party games, educational purposes, party decoration, handouts or rewards. Ideal party favor or gift for a dinosaur themed birthday party.
- PREMIUM QUALITY. Very durable and hand-painted with full details. Made with durable non-toxic BPA-free vinyl. Safety test approved.
- CUSTOMER SATISFACTION. Providing a 100% satisfaction experience is our main priority to our customers. Feel free to message us through “contact sellers” if products don't meet your expectations. The celebrations start at JOYIN!
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Star Princess
Purple Toy
 | List Price: $34.99*
Lowest New Price: $19.99*
In Stock*
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Click Here | Description:
Little Girls Purse with Accessories and Pretend Makeup for Toddlers - My First Purse Set Includes Handbag, Phone, Wallet, Play Makeup and More Pretend Play Toys for Girls Age 3 +, Great Gift for Girls- Manufacturer: Star Princess
- Brand: Star Princess
- Model: CB-1007
- UPC: 850031231054
- EAN: 0850031231054
- PartNumber: 1007
Details:Physical Description:- Size: 9.8 inches by 6.7 inches by 5.0 inches
- Weight: 1.0 pounds
- Color: Purple
Features:- ALL INCLUSIVE SET - This super cute realistic purse set for little girls and toddlers has everything she needs to play little Mommy on the go. Watch her go shopping like mom or just role-playing at home.
- SET INCLUDES - 1 purse, 1 wallet, 15-piece play money, 3 credit cards, 1 ID card, 1 cellphone (no function or batteries to ensure safe and long-lasting play), 1 car key fob, key ring with 4 keys, 1 hairbrush, sunglasses, pretend makeup set, looks so real but without the mess and does not apply to the skin (1 nail polish, 1 blush with applicator, 1 lipstick, 1 4-shades eyeshadow), 1 pack of real pocket tissues for pretend play and actual use, 1 hand sanitizer keychain bottle.
- REALISTIC PURSE - Featuring elegant design with premium detailing, including neat contrast stitching, smooth quality zipper, carry handles, and a removable length-adjustable crossbody strap. Purse doubles as storage to keep neatly together all the included accessories and carry them along wherever she goes.
- QUALITY CRAFTSMANSHIP - USA-designed and made of durable and lasting quality, this 18+ piece set is guaranteed to keep your daughter entrained and engaged in imaginative play for endless hours.
- EXCELLENT GIFT IDEA - This princess toy for 3+ year old girls is a high-quality little girl purse with accessories and pretend makeup. It's one of the most popular toys for 3, 4, 5 year old girls and older making it a great gift idea for birthdays, Christmas, holidays or other special gifts for 3-8 year old girls.
Click here for more information |
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YouCute
 | Lowest New Price: $12.99*
In Stock*
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Click Here | Description:
8 Safari Animal Figures Toys Jungle Animals for Boys Realistic Play Zoo Gift for Toddlers Boys Girls Toddlers Kids- Manufacturer: YouCute
- Brand: YouCute
- PartNumber: 602A
Physical Description:- Weight: 0.72973008722 Pounds
- Color: Brown
Features:- Animal type: Including Lion,Tiger,Bison,Brown Bear,Panda,Wolf,Hippo,Kangaroo.
- Great Gift:This animal toys set is great for zoo theme party, school classrooms rewards,prize, Christmas gift,or party supplie.could be a great gift for any occasion.
- High Quality:Animal figures toys are made of high quality durable plastic.Meet US toy standard.this is designed for kids.
- Learning Educational toys: They're also the great pretend play props , creative the kids thinking and active cognitive learning through imaginative play.animal toys can also make away your kids from electronics.
- Packing include:8 animals ,1 animal book,1 gift box.
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Nifeliz
Mosasaurus Toy
 | Lowest New Price: $19.95*
In Stock*
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Click Here | Description:
Nifeliz Mosasaurus Dinosaur Fossil Building Kit, Impressive Dinosaur Skeleton Model Decoration, Cool Dinosaur Gift Toy Set for Dinosaur Fans (498 PCS)- Manufacturer: Nifeliz
- Brand: Nifeliz
- Model: Dinosaur Skeleton Model
- PartNumber: DK-DN
Details:- Product Category: Toy
- Edition: Standard Edition
Physical Description:- Size: 3.74 inches by 18.11 inches by 7.87 inches
- Weight: 0.82011961464 Pounds
- Color: Mosasaurus
Features:- Dinosaur Fun: Build a cool and sleek dinosaur skeleton to relive classic dinosaur movie scenes and create an impressive centerpiece with this collectible Nifeliz Dinosaur Fossil toy building kit, featuring an intricately detailed Mosasaurus skeleton model for display.
- Dinosaur Fossil Exhibit: This dinosaur set is designed with high-quality, yellowish brown brick pieces to create a more realistic looking Mosasaurus skeleton. The buidable Mosasaurus skeleton model features posable head, legs and tail and comes with a display stand and nameplate so you can arrange the poses on the stand for a museum-style display.
- A Rewarding Build: This 498-piece dinosaur fossil model offers an immersive, relaxing building experience for natural history enthusiasts who love to appreciate the authentic details of the dinosaur skeletons. The Mosasaurus skeleton measures 18.11in(L)*7.87in(W)*3.74in(H), making an eye-catching and stunning decoration in any room.
- Wonderful Gift: This collectible set comes in luxurious box packaging with a detailed instruction and makes a fantastic archaeology toy gift for dinosaur and fossil lovers to expand their collection of fossil dinosaurs. You can also combine this set with other Nifeliz Dinosaur Fossil building kits to create your own unique dinosaur museum.
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Mattel
Multi Accessory
 | List Price: $37.00*
Lowest New Price: $23.99*
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Click Here | Description:
Mattel Jurassic World Toys Massive Biters Sarcosuchus Larger-Species Dinosaur Action Figure, Tail-Activated Strike & Chomp Action- Manufacturer: Mattel
- Brand: Mattel
- Model: GVG68
- UPC: 887961925562
- EAN: 0887961925562
- PartNumber: GVG68
Details:- Product Category: Accessory
Physical Description:- Size: 29.57 inches by 4.09 inches by 14.25 inches
- Weight: 0.9149183873 pounds
- Color: Multi
Features:- This larger-sized Jurassic World Massive Biters dinosaur action figure features realistic moves and animated movement for total battle play control!
- Make the figure come alive by moving the tail side to side for head movement, move the tail for body twisting motion and move the tail for an awesome CHOMP--activate all moves at the same time for total animated control!
- You can also push the button on the tail area to make the jaws chomp, too, for extra-added battle play!
- Movie-inspired sculpting, movable joints, authentic color and realistic texture make the figure come alive!
- For ages 4 and up.
- Download the Jurassic World Facts app (Android and iOS) for more dinosaur fun! App lets you scan your dinosaur and watch it come to life, zoom in on dinosaurs up close, hear dinosaur roars, learn fun dinosaur facts and more!
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