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* end of ELMER

eS

It ig steep on the seaward side and gently sloping on the shore side.
w

are rare or entirely absent except in small pools.

dge of Eniwetok

which ig about 1300 feet wide,

NO principal

and the last 500 feet of the groin is a gravel and sand bar.

contains legs

t

al small dune-

YVONNE,

in the

a medium-sized islet,

A more complete

is located along the northeast face of

Eniwetok Atoll about 6 miles north-northwest of BRUCE.

entral part

It is an elongated single
Its dry land area

islet measuring about 1.7 miles long and about 0,2 miles wide.

ad for five or

(Figure 10).

comprises about 0.3 square miles

3 yet has not

been used as a shot site.

For many years

this islet has

As a result considerable modification of its natural

topography has been produced.

‘sed by the

It is today a low-lying sand-covered flat with

numerous deep and large depressions extending down into the reef structure below

the reer

and with numerous dune-like hummocks which reach heights of 15 to 20 feet above

al Ridge

The seaward and lagoon reef and beach characteristics are similar to

gea level.

Ls approxi-

eh Ses SW eae TESSNS SeteRe ce

oe ts paEEciel me

eae

those described in the case of BRUCE.

vtEOS See

ater,

BRUCE is ccvered almost completely with native vegetation.

description of the vegetation is given in Section 6,

Ibservations

nd marine

The

beaches which slope gently out to a wide partially submerged rock flat.

ch glopes

orange-~

The

lagoonward side of BRUCE is composed of a number of scalloped gravel and sand

and is about

ir more of

The maximum current through this channel reaches 2 knots.

flood tide.

‘sentially flat

lists of a

A narrow

water here ig one to one and one half feet deep at low tide and during early

ography of the

¥ rounded

(5)

channel separates the groin from the islet beach and is gravel covered.

al measuring

Travel and

To

Further shoreward the rubble grows finer

boulders of coral and algal limestone.

at the Southern

€ floor ig

modified by erosion

landward the base of the bar is lithified and on it is piled a mass of loose

arated from the

lore beyond

The Rock Bar or Groin,

is a lithified conglomorate,

and golution to form a rough platform about 3 inches above low water level.

*ntire northern

‘Y spaced

(4)

Corals

nations,

As a result of numerous nuclear deto-

the islet is entirely devoid of vegetation.

JANET is a principal islet of the atoll and is situated at its northernmost
extremity.

It lies some 11 miles northwest of YVONNE and is roughly triangular

in shape.

JANET measures some 1.1 miles in a northwest-southeast direction and

some 0.7 miles in a northeast-southwest direction.

miles of dry land (Figure 10).

It contains about 0.6 gquare

This islet has also been used during previous

years as a shot site and as a result is largely devoid of vegetation and has an

appreciably altered topography.

The islet consists of an essentially pyramidal

table at some 15 feet above sea level with numerous large pits
and dépressions
located along its seaward Sides
,

13

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aa

ay eee,

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Select target paragraph3